fix missing type error in grp.h from adding fgetgrent

diff --git a/include/grp.h b/include/grp.h
index cb40e07..8e2e1f2 100644 (file)
--- a/include/grp.h
+++ b/include/grp.h
@@ -10,6 +10,10 @@ extern "C" {
 #define __NEED_size_t
 #define __NEED_gid_t
 
+#ifdef _GNU_SOURCE
+#define __NEED_FILE
+#endif
+
 #include <bits/alltypes.h>
 
 struct group