Bug #21396: Wrong error number generated for a missing table

BitKeeper/etc/collapsed:
  BitKeeper file /home/georg/work/mysql/prod/mysql-5.0/BitKeeper/etc/collapsed
mysys/my_open.c:
  Win64 bit fix: Replacing 32-bit value (0xFFFFFFFF) by a generic error constant.

BitKeeper/etc/collapsed

+44d03f27qNdqJmARzBoP3Is_cN5e0w

mysys/my_open.c

@@ -335,7 +335,7 @@ File my_sopen(const char *path, int oflag, int shflag, int pmode)
    * try to open/create the file
    */
   if ((osfh= CreateFile(path, fileaccess, fileshare, &SecurityAttributes, 
-                        filecreate, fileattrib, NULL)) == (HANDLE)0xffffffff)
+                        filecreate, fileattrib, NULL)) == INVALID_HANDLE_VALUE)
   {
     /*
      * OS call to open/create file failed! map the error, release
@@ -346,7 +346,7 @@ File my_sopen(const char *path, int oflag, int shflag, int pmode)
     return -1;                      /* return error to caller */
   }
 
-  fh= _open_osfhandle((long)osfh, oflag & (_O_APPEND | _O_RDONLY | _O_TEXT));
+  fh= _open_osfhandle((intptr_t)osfh, oflag & (_O_APPEND | _O_RDONLY | _O_TEXT));
 
   return fh;                        /* return handle */
 }