Define NGROUPS if not already done.

diff --git a/getgroups.c b/getgroups.c
index 7d681d1..e747c29 100644 (file)
--- a/getgroups.c
+++ b/getgroups.c
@@ -26,6 +26,11 @@
 
 #include "rsync.h"
 
+#ifndef NGROUPS
+/* It ought to be defined, but just in case. */
+#  define NGROUPS 32
+#endif
+
 int main(int argc, char *argv[])
 {
        int n, i;