wininet: Remove variable len which is not really used from CommitUrlCacheEntryInternal.

dlls/wininet/urlcache.c

@@ -2435,7 +2435,6 @@ static BOOL CommitUrlCacheEntryInternal(
     DWORD dwFileSizeLow = 0;
     DWORD dwFileSizeHigh = 0;
     BYTE cDirectory = 0;
-    int len;
     char achFile[MAX_PATH];
     LPSTR lpszUrlNameA = NULL;
     LPSTR lpszFileExtensionA = NULL;
@@ -2556,7 +2555,6 @@ static BOOL CommitUrlCacheEntryInternal(
     dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(lpszUrlNameA) + 1);
     if (lpszLocalFileName)
     {
-        len = WideCharToMultiByte(CP_ACP, 0, lpszUrlName, -1, NULL, 0, NULL, NULL);
         dwOffsetLocalFileName = dwBytesNeeded;
         dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(pchLocalFileName) + 1);
     }