isl_pip and isl_cat: terminate isl_arg array with ISL_ARG_END

On most systems, leaving it out apparently just happens to work,
but not so on MacOS X.

Problem reported and analyzed by Tomofumi Yuki <yuki@cs.colostate.edu>

1 files changed, 1 insertions, 0 deletions

diff --git a/cat.c b/cat.c
index 57872428..a7375085 100644
--- a/cat.c
+++ b/cat.c
@@ -17,6 +17,7 @@ struct isl_arg cat_options_arg[] = {
 ISL_ARG_CHILD(struct cat_options, isl, "isl", isl_options_arg)
 ISL_ARG_CHOICE(struct cat_options, format, 0, "format", \
 	cat_format,	ISL_FORMAT_ISL)
+ISL_ARG_END
 };
 
 ISL_ARG_DEF(cat_options, struct cat_options, cat_options_arg)