lex: suppress useless warning message during compilation

use pragma section to suppress
error: 'yy_fatal_error'
defined but not used message

Signed-off-by: Ivana Hutarova Varekova <varekova@redhat.com>
Acked-by: Jan Safranek <jsafrane@redhat.com>

diff --git a/src/lex.l b/src/lex.l
index c1014c5d1265fe125809ec23052ce3ecbee710b1..d41d9ed8f83b5bff9d652d7da343a9b8923cacdf 100644 (file)
--- a/src/lex.l
+++ b/src/lex.l
@@ -16,6 +16,8 @@
 #include <libcgroup.h>
 #include <libcgroup-internal.h>
 #include "parse.h"
+#pragma GCC diagnostic ignored "-Wunused-function"
+
 int line_no = 1;
 jmp_buf parser_error_env;