Purge MINGW_WINSOCK_LIBS config variable.

This was only needed for ntohl() function which has already been removed.

examples/cpp/encode/file/Makefile.am

@@ -1,16 +1,16 @@
 #  example_cpp_encode_file - Simple FLAC file encoder using libFLAC
 #  Copyright (C) 2007,2008,2009  Josh Coalson
-# 
+#
 #  This program is free software; you can redistribute it and/or
 #  modify it under the terms of the GNU General Public License
 #  as published by the Free Software Foundation; either version 2
 #  of the License, or (at your option) any later version.
-# 
+#
 #  This program is distributed in the hope that it will be useful,
 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 #  GNU General Public License for more details.
-# 
+#
 #  You should have received a copy of the GNU General Public License
 #  along with this program; if not, write to the Free Software
 #  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
@@ -25,6 +25,6 @@ example_cpp_encode_file_LDADD = \
 	$(top_builddir)/src/libFLAC++/libFLAC++.la \
 	$(top_builddir)/src/libFLAC/libFLAC.la \
 	@OGG_LIBS@ \
-	@MINGW_WINSOCK_LIBS@ \
 	-lm
+
 example_cpp_encode_file_SOURCES = main.cpp