No changes, just removed hard tabs and trailing white space.

This commit is huge but there are no non-white-space changes in it.

Some files containing third-party sources (src/msw/wince/time.cpp,
src/x11/pango*.cpp) were left unchanged.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@61724 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/utilsgui.cpp

@@ -437,7 +437,7 @@ bool wxLaunchDefaultApplication(const wxString& document, int flags)
 bool wxDoLaunchDefaultBrowser(const wxString& url, const wxString& scheme, int flags)
 {
     wxUnusedVar(flags);
-    
+
 #if wxUSE_IPC
     if ( flags & wxBROWSER_NEW_WINDOW )
     {