Fix custom hash regression.

2010-09-01  Sami Wagiaalla  <swagiaal@redhat.com>

	* psymtab.c (add_psymbol_to_bcache): memset psymbol to 0
	before initializing individual fields.

diff --git a/gdb/psymtab.c b/gdb/psymtab.c
index a5d2f98..a8b63f7 100644
--- a/gdb/psymtab.c
+++ b/gdb/psymtab.c
@@ -1378,6 +1378,8 @@ add_psymbol_to_bcache (char *name, int namelength, int copy_name,
 {
   struct partial_symbol psymbol;
 
+  memset (&psymbol, 0, sizeof (psymbol));
+
   /* val and coreaddr are mutually exclusive, one of them *will* be zero */
   if (val != 0)
     {