msvcrt: Don't report error in fclose on already closed stream.

dlls/msvcrt/file.c

@@ -3627,6 +3627,12 @@ int CDECL MSVCRT__fclose_nolock(MSVCRT_FILE* file)
 {
   int r, flag;
 
+  if(!(file->_flag & (MSVCRT__IOREAD | MSVCRT__IOWRT | MSVCRT__IORW)))
+  {
+      file->_flag = 0;
+      return MSVCRT_EOF;
+  }
+
   flag = file->_flag;
   MSVCRT_free(file->_tmpfname);
   file->_tmpfname = NULL;

dlls/msvcrt/tests/file.c

@@ -1742,10 +1742,13 @@ static void test_fopen_fclose_fcloseall( void )
     ok(ret == 0, "The file '%s' was not closed\n", fname2);
     ret = fclose(stream3);
     ok(ret == 0, "The file '%s' was not closed\n", fname3);
+    errno = 0xdeadbeef;
     ret = fclose(stream2);
     ok(ret == EOF, "Closing file '%s' returned %d\n", fname2, ret);
+    ok(errno == 0xdeadbeef, "errno = %d\n", errno);
     ret = fclose(stream3);
     ok(ret == EOF, "Closing file '%s' returned %d\n", fname3, ret);
+    ok(errno == 0xdeadbeef, "errno = %d\n", errno);
 
     /* testing fcloseall() */
     numclosed = _fcloseall();