[PATCH, SMS] Free sccs field

[Revital Eres]

Hello,

The attached patch adds missing free operation for storage
allocated while calculating SCCs.

Bootstrap and regtested on ppc64-redhat-linux.

OK for mainline?

Thanks,
Revital

Changelog:

        * ddg.c (free_ddg_all_sccs): Free sccs field in struct ddg_all_sccs.

Index: ddg.c
===================================================================
--- ddg.c       (revision 171573)
+++ ddg.c       (working copy)
@@ -1011,6 +1082,8 @@ free_ddg_all_sccs (ddg_all_sccs_ptr all_
   for (i = 0; i < all_sccs->num_sccs; i++)
     free_scc (all_sccs->sccs[i]);

+  if (all_sccs->sccs)
+    free (all_sccs->sccs);
   free (all_sccs);
 }