Undo removal of x_clear_area call on expose for GTK3 or cairo.

* src/xterm.c (handle_one_xevent) [HAVE_GTK3 || USE_CAIRO]: Clear
exposed area.  (Bug#20677)

diff --git a/src/xterm.c b/src/xterm.c
index 25c0d878eccabaa3bf46b5cddbeb0a9d145d8aa7..691ede58b431a881943585b81321acb23e916bb2 100644 (file)
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -7668,7 +7668,7 @@ handle_one_xevent (struct x_display_info *dpyinfo,
             }
           else
            {
-#if defined (USE_GTK) && ! defined (HAVE_GTK3) && ! defined (USE_CAIRO)
+#ifdef USE_GTK
              /* This seems to be needed for GTK 2.6 and later, see
                 http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15398.  */
              x_clear_area (f,