Use correct type for storing return value. gboolean instead of bool.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37604 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/window.cpp

@@ -1867,7 +1867,7 @@ static gboolean gtk_window_focus_in_callback( GtkWidget *widget,
     }
 #endif // wxUSE_CARET
 
-    bool ret = FALSE;
+    gboolean ret = FALSE;
 
     // does the window itself think that it has the focus?
     if ( !win->m_hasFocus )
@@ -1930,7 +1930,7 @@ static gboolean gtk_window_focus_out_callback( GtkWidget *widget,
     }
 #endif // wxUSE_CARET
 
-    bool ret = FALSE;
+    gboolean ret = FALSE;
 
     // don't send the window a kill focus event if it thinks that it doesn't
     // have focus already