Fix non-NULL terminated strings.
diff --git a/utility.c b/utility.c
index 62c4728..22eaff0 100644
--- a/utility.c
+++ b/utility.c
@@ -931,6 +931,7 @@
 			}
 		}
 		if (id != -1 && id == rid) {
+			memset(name, 0, 9*sizeof(char));
 			strncpy(name, rname, 8);
 			if (gid) *gid = rgid;
 			fclose(file);