[patch] fix crash when cancelling the search dialog

[Jindrich Makovicka <makovick kmlinux fjfi cvut cz>]

Hi,

when cancelling the search dialog in the viewer (F3, F7, ESC ESC), the
exp pointer is not allocated and mc occasionally crashes on free. The
attached patch fixes it.

-- 
Jindrich Makovicka

Index: view.c
===================================================================
RCS file: /cvsroot/mc/mc/src/view.c,v
retrieving revision 1.339
diff -u -r1.339 view.c
--- view.c	22 Aug 2005 19:19:51 -0000	1.339
+++ view.c	27 Aug 2005 08:53:58 -0000
@@ -2730,7 +2730,7 @@
 static void
 view_normal_search_cmd (WView *view)
 {
-    char *defval, *exp;
+    char *defval = NULL, *exp = NULL;
 
     enum {
 	SEARCH_DLG_HEIGHT = 8,
@@ -2787,8 +2787,8 @@
     view->last_search = do_normal_search;
 
 cleanup:
-    g_free (exp);
-    g_free (defval);
+    if (exp) g_free (exp);
+    if (defval) g_free (defval);
 }
 
 static void