ffs: Include strings.h

ffs() was used in couple of places without explicitly including
strings.h. On a few libc implementation this is done implicitly through
other headers, but let's do not rely on that behavior.

Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Reviewed-by: Petri Latvala <petri.latvala@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/igt_gt.c b/lib/igt_gt.c
index 11643edd..be44fcae 100644
--- a/lib/igt_gt.c
+++ b/lib/igt_gt.c
@@ -22,6 +22,7 @@
  */
 
 #include <string.h>
+#include <strings.h>
 #include <signal.h>
 #include <errno.h>
 #include <sys/types.h>