Fix bug #9947 with referencing uninitialized variable.

 src/xdisp.c (note_mouse_highlight): Initialize `area'.

2 files changed, 3 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index cc3391cfee5..f198f37d0c1 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,7 @@
 2011-11-03  Eli Zaretskii  <eliz@gnu.org>
 
+        * xdisp.c (note_mouse_highlight): Initialize `area'.  (Bug#9947)
+
         * w32fns.c (unwind_create_frame): If needed, free the glyph
         matrices of the partially constructed frame.  (Bug#9943)
         * xfns.c (unwind_create_frame): Likewise.
diff --git a/src/xdisp.c b/src/xdisp.c
index 97687f8975b..257e4ad4280 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -26892,7 +26892,7 @@ note_mouse_highlight (struct frame *f, int x, int y)
       && XFASTINT (w->last_modified) == BUF_MODIFF (b)
       && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b))
     {
-      int hpos, vpos, dx, dy, area;
+      int hpos, vpos, dx, dy, area = LAST_AREA;
       EMACS_INT pos;
       struct glyph *glyph;
       Lisp_Object object;