Index: tests/regdump/regproc.c
===================================================================
--- tests/regdump/regproc.c	(revision 70217)
+++ tests/regdump/regproc.c	(working copy)
@@ -310,7 +310,7 @@
         TCHAR xbuf[3];
         TCHAR wc;
         memcpy(xbuf, s, 2);
-        xbuf[3] = _T('\0');
+        xbuf[2] = _T('\0');
         _stscanf(xbuf, _T("%02x"), (UINT*)&wc);
         if (byteCount < bufLen)
             *b++ = (unsigned char)wc;