Fix for debug build failure

Do not use format function attribute for sql_print_xxx() family of
functions as they use a MariaDB-specific extension of printf instead
of one provided by the system.

sql/log.h

@@ -864,11 +864,9 @@ uint purge_log_get_error_code(int res);
 
 int vprint_msg_to_log(enum loglevel level, const char *format, va_list args);
 void sql_print_error(const char *format, ...);
-void sql_print_warning(const char *format, ...) ATTRIBUTE_FORMAT(printf, 1, 2);
-void sql_print_information(const char *format, ...)
-  ATTRIBUTE_FORMAT(printf, 1, 2);
-typedef void (*sql_print_message_func)(const char *format, ...)
-  ATTRIBUTE_FORMAT_FPTR(printf, 1, 2);
+void sql_print_warning(const char *format, ...);
+void sql_print_information(const char *format, ...);
+typedef void (*sql_print_message_func)(const char *format, ...);
 extern sql_print_message_func sql_print_message_handlers[];
 
 int error_log_print(enum loglevel level, const char *format,