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/gtk1/bmpbuttn.cpp

@@ -203,9 +203,9 @@ void wxBitmapButton::OnSetBitmap()
 
    if (!the_one.IsOk())
      {
-	the_one = GetBitmapLabel();
-	if (!the_one.IsOk())
-	  return;
+         the_one = GetBitmapLabel();
+         if (!the_one.IsOk())
+             return;
      }
 
     GdkBitmap *mask = NULL;