use doxygen autolink for global enumerations

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57843 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/file.h

@@ -365,7 +365,7 @@ public:
         @param mode
             The mode in which to open the file.
         @param access
-            An OR-combination of wxPosixPermissions enumeration values.
+            An OR-combination of ::wxPosixPermissions enumeration values.
     */
     bool Open(const wxString& filename, wxFile::OpenMode mode = wxFile::read,
               int access = wxS_DEFAULT);

interface/wx/filename.h

@@ -889,7 +889,7 @@ public:
 
         @param flags
             The kind of normalization to do with the file name. It can be
-            any or-combination of the wxPathNormalize enumeration values.
+            any or-combination of the ::wxPathNormalize enumeration values.
         @param cwd
             If not empty, this directory will be used instead of current
             working directory in normalization (see @c wxPATH_NORM_ABSOLUTE).