Fixed compiler warnings and wrong test results

client/mysqltest.cc

@@ -1563,7 +1563,7 @@ static void make_error_message(char *buf, size_t len, const char *fmt, va_list a
     fmt= "unknown error";
 
   s+= my_vsnprintf(s, end - s, fmt, args);
-  s+= my_snprintf(s, end -s, "\n", start_lineno);
+  s+= my_snprintf(s, end -s, "\n");
 }
 
 void die(const char *fmt, ...)

mysql-test/suite/innodb/r/innodb_mysql.result

@@ -1547,7 +1547,7 @@ insert into t1 values('aaa');
 set statement sql_mode = 'NO_ENGINE_SUBSTITUTION' for
 alter table t1 add index(a(1024));
 Warnings:
-Warning	1071	Specified key was too long; max key length is 767 bytes
+Note	1071	Specified key was too long; max key length is 767 bytes
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (