Fix unreachable-code-return and unreachable-code-break warning

src/common/intl.cpp

@@ -1799,7 +1799,6 @@ wxString wxLocale::GetInfo(wxLocaleInfo index, wxLocaleCategory WXUNUSED(cat))
                 format.Replace("%y","%Y");
                 return format;
             }
-            break;
 
         default:
             wxFAIL_MSG( "Unknown locale info" );

src/osx/cocoa/dataview.mm

@@ -2727,7 +2727,6 @@ wxDataObjectComposite* wxCocoaDataViewControl::GetDnDDataObjects(NSData* dataObj
                     return NULL;
                 }
             }
-            break;
         default:
             return NULL;
     }

src/osx/cocoa/settings.mm

@@ -206,16 +206,14 @@ wxFont wxSystemSettingsNative::GetFont(wxSystemFont index)
         case wxSYS_DEFAULT_GUI_FONT :
             {
                 return wxFont(wxOSX_SYSTEM_FONT_SMALL) ;
-            } ;
-            break ;
+            }
         case wxSYS_OEM_FIXED_FONT :
         case wxSYS_ANSI_FIXED_FONT :
         case wxSYS_SYSTEM_FIXED_FONT :
         default :
             {
                 return wxFont(wxOSX_SYSTEM_FONT_FIXED) ;
-            } ;
-            break ;
+            }
 
     }
     return *wxNORMAL_FONT;

src/osx/core/evtloop_cf.cpp

@@ -249,10 +249,8 @@ int wxCFEventLoop::DoDispatchTimeout(unsigned long timeout)
             break;
         case kCFRunLoopRunStopped:
             return 0;
-            break;
         case kCFRunLoopRunTimedOut:
             return -1;
-            break;
         case kCFRunLoopRunHandledSource:
         default:
             break;

src/osx/uiaction_osx.cpp

@@ -60,11 +60,9 @@ CGEventType CGEventTypeForMouseDrag(int button)
     {
         case wxMOUSE_BTN_LEFT:
             return kCGEventLeftMouseDragged;
-            break;
             
         case wxMOUSE_BTN_RIGHT:
             return kCGEventRightMouseDragged;
-            break;
             
             // All the other buttons use the constant OtherMouseDown but we still
             // want to check for invalid parameters so assert first
@@ -74,7 +72,6 @@ CGEventType CGEventTypeForMouseDrag(int button)
             
         case wxMOUSE_BTN_MIDDLE:
             return kCGEventOtherMouseDragged;
-            break;
     }
 
 }

src/unix/uiactionx11.cpp

@@ -437,9 +437,9 @@ bool wxUIActionSimulatorX11Impl::MouseMove(long x, long y)
     }
 
     return ret;
-#endif
-
+#else
     return DoX11MouseMove(x, y);
+#endif
 }
 
 bool wxUIActionSimulatorX11Impl::MouseUp(int button)