varargs cleanup (coverity)

servers/slapd/back-sql/util.c

@@ -105,6 +105,7 @@ backsql_strcat_x( struct berbuf *dest, void *memctx, ... )
 				Debug( LDAP_DEBUG_ANY, "backsql_strcat(): "
 					"could not reallocate string buffer.\n",
 					0, 0, 0 );
+				va_end( strs );
 				return NULL;
 			}
 			dest->bb_val.bv_val = tmp_dest;
@@ -212,6 +213,7 @@ backsql_strfcat_x( struct berbuf *dest, void *memctx, const char *fmt, ... )
 				Debug( LDAP_DEBUG_ANY, "backsql_strfcat(): "
 					"could not reallocate string buffer.\n",
 					0, 0, 0 );
+				va_end( strs );
 				return NULL;
 			}
 			dest->bb_val.bv_val = tmp_dest;