Turn off debug in getsockname.c

allow NULL for setgroups argument

lib/ip/getsockname.c

@@ -21,7 +21,7 @@
 #include <net/gen/udp_io.h>
 
 
-#define DEBUG 1
+#define DEBUG 0
 
 /*
    getsockname...

lib/other/setgroups.c

@@ -9,7 +9,7 @@ setgroups.c
 
 int setgroups(int ngroups, const gid_t *gidset)
 {
-	if(!gidset || ngroups > 1) {
+	if(ngroups > 1) {
 		/* Supplementary groups not implemented */
 		errno= EINVAL;
 		return -1;