From: Eli Zaretskii <eliz@gnu.org>
Date: Fri, 28 Oct 2011 18:41:09 +0000 (+0200)
Subject: Fix use of uninitialized variable.
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Fix use of uninitialized variable.

 src/xdisp.c (note_mouse_highlight): Initialize `part', to avoid a
 possible random value that matches one of those tested as
 condition to clear the mouse face.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index da0ba4b11f2..fad9b4f9e46 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,9 @@
+2011-10-28  Eli Zaretskii  <eliz@gnu.org>
+
+	* xdisp.c (note_mouse_highlight): Initialize `part', to avoid a
+	possible random value that matches one of those tested as
+	condition to clear the mouse face.
+
 2011-10-28  Chong Yidong  <cyd@gnu.org>
 
 	* xdisp.c (note_mouse_highlight): Fix use of uninitialized var.
diff --git a/src/xdisp.c b/src/xdisp.c
index 296b2d13219..22f7c2bbd26 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -26801,7 +26801,7 @@ void
 note_mouse_highlight (struct frame *f, int x, int y)
 {
   Mouse_HLInfo *hlinfo = MOUSE_HL_INFO (f);
-  enum window_part part;
+  enum window_part part = ON_NOTHING;
   Lisp_Object window;
   struct window *w;
   Cursor cursor = No_Cursor;