Implement DefWindowProc directly in MainWndProc

Source/init.cpp

@@ -132,9 +132,11 @@ LRESULT __stdcall MainWndProc(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
 #endif
 	case WM_QUERYNEWPALETTE:
 		return 1;
+	case WM_QUERYENDSESSION:
+		exit(0);
 	}
 
-	return DefWindowProc(hWnd, Msg, wParam, lParam);
+	return 0;
 }
 
 WNDPROC SetWindowProc(WNDPROC NewProc)

SourceS/miniwin/misc.h

@@ -345,8 +345,6 @@ void lstrcpynA(LPSTR lpString1, LPCSTR lpString2, int iMaxLength);
 
 typedef LONG LSTATUS, HKEY, REGSAM, PHKEY;
 
-LRESULT DefWindowProcA(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam);
-
 WINBOOL WINAPI WriteFile(HANDLE hFile, LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite, LPDWORD lpNumberOfBytesWritten,
     LPOVERLAPPED lpOverlapped);
 DWORD WINAPI SetFilePointer(HANDLE hFile, LONG lDistanceToMove, PLONG lpDistanceToMoveHigh, DWORD dwMoveMethod);

SourceS/miniwin/misc_macro.h

@@ -97,8 +97,6 @@
 #define KEY_WRITE 0x20006
 #define REG_SZ 1
 
-#define DefWindowProc DefWindowProcA
-
 #define GetFileAttributes GetFileAttributesA
 #define SetFileAttributes SetFileAttributesA
 #define FindFirstFile FindFirstFileA

SourceX/miniwin/misc.cpp

@@ -224,13 +224,4 @@ void lstrcpynA(LPSTR lpString1, LPCSTR lpString2, int iMaxLength)
 {
 	strncpy(lpString1, lpString2, iMaxLength);
 }
-
-LRESULT DefWindowProcA(HWND hWnd, UINT Msg, WPARAM wParam, LPARAM lParam)
-{
-	DUMMY_ONCE();
-	if (Msg == DVL_WM_QUERYENDSESSION)
-		exit(0);
-
-	return 0;
-}
 } // namespace dvl