safestringlib: unittests: strcasestr requires _GNU_SOURCE

Tomas Winkler · Tomas Winkler · commit d32313199f71 · 2022-11-01T15:35:51.000+02:00
strcasestr requires _GNU_SOURCE definition.

Signed-off-by: Tomas Winkler &lt;tomas.winkler@intel.com&gt;
diff --git a/unittests/test_strcasestr_s.c b/unittests/test_strcasestr_s.c
@@ -5,6 +5,7 @@
  *------------------------------------------------------------------
  */
 
+#define _GNU_SOURCE
 #include "test_private.h"
 #include "safe_str_lib.h"
 
