Include a header, to define NULL.

[gnulib.git] / lib / strcasestr.c

diff --git a/lib/strcasestr.c b/lib/strcasestr.c
index 5a0fc42..64291a1 100644 (file)
--- a/lib/strcasestr.c
+++ b/lib/strcasestr.c
@@ -24,6 +24,7 @@
 #include "strcasestr.h"
 
 #include <ctype.h>
+#include <stddef.h>  /* for NULL */
 
 #if HAVE_MBRTOWC
 # include "mbuiter.h"