Merged revisions 240717 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

........
  r240717 | seanbright | 2010-01-17 14:45:48 -0500 (Sun, 17 Jan 2010) | 5 lines
  
  Avoid a crash on Solaris when running 'core show functions.'
  
  (closes issue #16309)
  Reported by: asgaroth
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.1@240719 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/pbx.c

@@ -2688,7 +2688,10 @@ static char *handle_show_functions(struct ast_cli_entry *e, int cmd, struct ast_
 	AST_RWLIST_TRAVERSE(&acf_root, acf, acflist) {
 		if (!like || strstr(acf->name, a->argv[4])) {
 			count_acf++;
-			ast_cli(a->fd, "%-20.20s  %-35.35s  %s\n", acf->name, acf->syntax, acf->synopsis);
+			ast_cli(a->fd, "%-20.20s  %-35.35s  %s\n",
+				S_OR(acf->name, ""),
+				S_OR(acf->syntax, ""),
+				S_OR(acf->synopsis, ""));
 		}
 	}
 	AST_RWLIST_UNLOCK(&acf_root);