Fixed instances of "to to" in qtbase.

Really it should just be "to".

Change-Id: I7d0fff334bac3f0ac78adb8131e3bf3df1f1b242
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

examples/widgets/doc/src/addressbook-tutorial.qdoc

@@ -689,7 +689,7 @@
 
     We set the layout and window title, as well as connect the signals to their
     respective slots. Notice that \c{findButton}'s \l{QPushButton::clicked()}
-    {clicked()} signal is connected to to \c findClicked() and
+    {clicked()} signal is connected to \c findClicked() and
     \l{QDialog::accept()}{accept()}. The \l{QDialog::accept()}{accept()} slot
     provided by QDialog hides the dialog and sets the result code to
     \l{QDialog::}{Accepted}. We use this function to help \c{AddressBook}'s

examples/widgets/doc/src/scribble.qdoc

@@ -47,7 +47,7 @@
     With the Scribble application the users can draw an image.  The
     \uicontrol File menu gives the users the possibility to open and edit an
     existing image file, save an image and exit the application. While
-    drawing, the \uicontrol Options menu allows the users to to choose the
+    drawing, the \uicontrol Options menu allows the users to choose the
     pen color and pen width, as well as clear the screen. In addition
     the \uicontrol Help menu provides the users with information about the
     Scribble example in particular, and about Qt in general.

src/corelib/kernel/qobject.cpp

@@ -348,7 +348,7 @@ QObjectList QObjectPrivate::senderList() const
 
 /*!
   \internal
-  Add the connection \a c to to the list of connections of the sender's object
+  Add the connection \a c to the list of connections of the sender's object
   for the specified \a signal
 
   The signalSlotLock() of the sender and receiver must be locked while calling

src/gui/text/qplatformfontdatabase.cpp

@@ -273,7 +273,7 @@ void QPlatformFontDatabase::populateFontDatabase()
 
 /*!
     Returns a multi font engine in the specified \a script to encapsulate \a fontEngine with the
-    option to fall back to to the fonts given by \a fallbacks if \a fontEngine does not support
+    option to fall back to the fonts given by \a fallbacks if \a fontEngine does not support
     a certain character.
 */
 QFontEngineMulti *QPlatformFontDatabase::fontEngineMulti(QFontEngine *fontEngine,

src/network/access/qabstractnetworkcache.cpp

@@ -225,7 +225,7 @@ QUrl QNetworkCacheMetaData::url() const
 }
 
 /*!
-    Sets the URL this network cache meta data to to be \a url.
+    Sets the URL this network cache meta data to be \a url.
 
     The password and fragment are removed from the url.
 

src/network/access/qnetworkrequest.cpp

@@ -414,7 +414,7 @@ QUrl QNetworkRequest::url() const
 }
 
 /*!
-    Sets the URL this network request is referring to to be \a url.
+    Sets the URL this network request is referring to be \a url.
 
     \sa url()
 */

src/network/socket/qabstractsocket.cpp

@@ -366,7 +366,7 @@
     IP_MULTICAST_LOOP (multicast loopback) socket option.
 
     \value TypeOfServiceOption This option is not supported on
-    Windows. This maps to to the IP_TOS socket option.
+    Windows. This maps to the IP_TOS socket option.
 
     Possible values for the \e{TypeOfServiceOption} are:
 

src/widgets/doc/src/modelview.qdoc

@@ -204,7 +204,7 @@
 
     Here is the interesting part: We create an instance of MyModel and use 
     \l{QTableView::setModel()}{tableView.setModel(&myModel);} to pass a
-    pointer of it to to \l{QTableView}{tableView}. \l{QTableView}{tableView}
+    pointer of it to \l{QTableView}{tableView}. \l{QTableView}{tableView}
     will invoke the methods of the pointer it has received to find out two
     things:
 

src/widgets/widgets/qlabel.cpp

@@ -489,7 +489,7 @@ bool QLabel::wordWrap() const
     If a label displays text, the indent applies to the left edge if
     alignment() is Qt::AlignLeft, to the right edge if alignment() is
     Qt::AlignRight, to the top edge if alignment() is Qt::AlignTop, and
-    to to the bottom edge if alignment() is Qt::AlignBottom.
+    to the bottom edge if alignment() is Qt::AlignBottom.
 
     If indent is negative, or if no indent has been set, the label
     computes the effective indent as follows: If frameWidth() is 0,