File dirdiff.uninitialized.patch of Package dirdiff

wrong.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21733

Index: dirdiff-2.1/filecmp.c
===================================================================
--- dirdiff-2.1.orig/filecmp.c
+++ dirdiff-2.1/filecmp.c
@@ -289,6 +289,7 @@ FileCmpCmd(clientData, interp, argc, arg
 
     k1 = k2 = 0;
     e1 = e2 = 0;
+    n1 = n2 = 0;
 
     for (;;) {
 	/* Here we already have k1 chars in b1 and k2 chars in b2. */