Minor Windows fix (thanks, fydo!).

CHANGELOG.txt

@@ -2,6 +2,7 @@
  * CHANGELOG.
  */
 
+02132008 - Minor Windows fix (thanks, fydo!).
 02012008 - lzma fixes (thanks, eH!).
 01222008 - Upgraded lzma sdk, lzma.c improvements (thanks, Dennis!).
            Added zlib README, and updated LICENSE.txt.

platform/windows.c

@@ -339,6 +339,9 @@ static const char *winApiStrError(void)
                     msgbuf, __PHYSFS_ARRAYLEN(msgbuf),
                     NULL);
 
+    if (rc == 0)
+        msgbuf[0] = '\0';  /* oh well. */
+
     /* chop off newlines. */
     for (ptr = msgbuf; *ptr; ptr++)
     {