removed unneeded #include wchar.h (it should only be done from wxchar.h which has workaround for cygwin bug in wchar.h)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17697 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/filefn.cpp

@@ -105,7 +105,6 @@
     #include <unix.h>
 #endif
 
-#include "wx/setup.h"
 #include "wx/log.h"
 
 // No, Cygwin doesn't appear to have fnmatch.h after all.
@@ -124,7 +123,7 @@
         #ifdef __CYGWIN__
             #include <sys/cygwin.h>
         #endif
-        #include <wchar.h>
+
         #ifndef __TWIN32__
             #include <sys/unistd.h>
         #endif

src/msw/mslu.cpp

@@ -46,10 +46,6 @@
 #include <io.h>
 #include <sys/stat.h>
 
-#ifdef __GNUWIN32__
-    #include <wchar.h>
-#endif
-
 #ifdef __VISUALC__
     #include <direct.h>
 #endif