Merged revisions 299583 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r299583 | tilghman | 2010-12-24 11:58:30 -0600 (Fri, 24 Dec 2010) | 7 lines
  
  Reset 'first' variable after usage.
  
  (closes issue #18525)
   Reported by: makoto
   Patches: 
         res-config-mysql-update2.patch uploaded by makoto (license 38)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@299584 65c4cc65-6c06-0410-ace0-fbb531ad65f3

addons/res_config_mysql.c

@@ -745,6 +745,7 @@ static int update2_mysql(const char *database, const char *tablename, va_list ap
 
 		ESCAPE_STRING(buf, newval);
 		ast_str_append(&sql, 0, "%s %s = '%s'", first ? "" : ",", newparam, ast_str_buffer(buf));
+		first = 0;
 
 		/* If the column length isn't long enough, give a chance to lengthen it. */
 		if (strncmp(column->type, "char", 4) == 0 || strncmp(column->type, "varchar", 7) == 0) {