Updates to fix Watcom C/C++ 11.0 compiler warning problems. Now compiles

clean with this compiler. Hopefully I did this without breaking other
compilers.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9967 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/main.cpp

@@ -114,8 +114,11 @@ BOOL WINAPI DllMain (HANDLE hModule, DWORD fdwReason, LPVOID lpReserved)
            wxEntryCleanup();
            break;
     }
+#else
+	(void)hModule;
+	(void)fdwReason;
 #endif // !WXMAKINGDLL
-
+	(void)lpReserved;
     return TRUE;
 }