Fix spurious g++ warning about possibly uninitialized variable use.

The variables are actually initialized in all cases if the enum has valid
value but the compiler doesn't seem to take this into account, so just
initialize them always to avoid the warnings.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73968 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/timectrlg.cpp

@@ -457,8 +457,8 @@ private:
             // The first digit simply replaces the existing field contents,
             // but the second one should be combined with the previous one,
             // otherwise entering 2-digit numbers would be impossible.
-            int currentValue wxDUMMY_INITIALIZE(0),
-                maxValue wxDUMMY_INITIALIZE(0);
+            int currentValue = 0,
+                maxValue  = 0;
 
             switch ( m_currentField )
             {