assimp_view is ANSI (MBCS) only

It should really be ported to UNICODE at some point, however I do not have the DirectX9 SDK so cannot confirm whether such a port is working.

tools/assimp_view/CMakeLists.txt

@@ -88,6 +88,8 @@ SET_PROPERTY(TARGET assimp_viewer PROPERTY DEBUG_POSTFIX ${CMAKE_DEBUG_POSTFIX})
 IF ( MSVC )
   ADD_DEFINITIONS( -D_SCL_SECURE_NO_WARNINGS )
   ADD_DEFINITIONS( -D_CRT_SECURE_NO_WARNINGS )
+  # assimp_viewer is ANSI (MBCS) throughout
+  REMOVE_DEFINITIONS( -DUNICODE -D_UNICODE )
 ENDIF ( MSVC )