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

include/wx/wfstream.h

@@ -32,7 +32,6 @@ class wxFileInputStream: public wxInputStream {
   wxFileInputStream(int fd);
   ~wxFileInputStream();
 
-  char Peek();
   size_t GetSize() const;
 
   bool Ok() const { return m_file->IsOpened(); }