isl_div.c: add missing include

diff --git a/isl_div.c b/isl_div.c
index 7b3caa6..df50980 100644 (file)
--- a/isl_div.c
+++ b/isl_div.c
@@ -1,6 +1,7 @@
 #include <isl_div.h>
 #include <isl_map.h>
 #include "isl_map_private.h"
+#include "isl_seq.h"
 
 static unsigned n(struct isl_div *d, enum isl_dim_type type)
 {