isl_space.c: add missing include

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>

diff --git a/isl_space.c b/isl_space.c
index e6f957c..499dd1a 100644 (file)
--- a/isl_space.c
+++ b/isl_space.c
@@ -11,6 +11,7 @@
  */
 
 #include <stdlib.h>
+#include <string.h>
 #include <isl_space_private.h>
 #include <isl_id_private.h>
 #include <isl_reordering.h>