Replace type alias with compatible symbols that can be imported from ctypes.wintypes.

[junkmd]

The line in __init__.py defining DWORD as an alias for c_ulong has been present since the project’s earliest commit, 938fbd5.

comtypes/comtypes/__init__.py

Line 75 in 083c19e

DWORD = c_ulong

On the other hand, in commit 56908fd, which added shelllink.py two years later, DWORD was imported from ctypes.wintypes.

comtypes/comtypes/shelllink.py

Line 4 in 083c19e

from ctypes.wintypes import DWORD, WIN32_FIND_DATAA, WIN32_FIND_DATAW, MAX_PATH

The originator of ctypes and comtypes is the same person, and these libraries have historically evolved together, which has led to differences in symbol definitions like this.

Now, however, defining these aliases independently holds little value, so we could replace them where possible.

-DWORD = c_ulong
+from ctypes.wintypes import DWORD

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