Merged latest changes from SciTech code base into wxWindows CVS Tree.

Includes updates to remove Watcom compiler warnings and the latest
updates to the wxApplet code.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10461 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/datstrm.cpp

@@ -105,7 +105,7 @@ wxString wxDataInputStream::ReadString()
 #endif
     return s;
   }
-  else 
+  else
     return wxEmptyString;
 }
 
@@ -237,7 +237,7 @@ wxDataOutputStream& wxDataOutputStream::operator<<(const wxChar *string)
   return *this;
 }
 
-wxDataOutputStream& wxDataOutputStream::operator<<(wxString& string)
+wxDataOutputStream& wxDataOutputStream::operator<<(const wxString& string)
 {
   WriteString(string);
   return *this;