Added a check for -lresolv in configure.in

Removed wxFileInputStream::Peek as it is implemented in wxInputStream::Peek


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3405 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/wfstream.cpp

@@ -62,11 +62,6 @@ wxFileInputStream::~wxFileInputStream()
     delete m_file;
 }
 
-char wxFileInputStream::Peek()
-{
-  return 0;
-}
-
 size_t wxFileInputStream::GetSize() const
 {
   return m_file->Length();