Only use winsock2.h to check for closesocket().

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27503 b3059339-0415-0410-9bf9-f77b7e298cf2

configure

@@ -2896,13 +2896,11 @@ echores "$_socklen_t"
 
 echocheck "closesocket()"
 _closesocket=no
-for header in "arpa/inet.h" "winsock2.h" ; do
-  cat > $TMPC << EOF
-#include <$header>
+cat > $TMPC << EOF
+#include <winsock2.h>
 int main(void) { closesocket(~0); return 0; }
 EOF
-  cc_check $_ld_sock && _closesocket=yes && break
-done
+cc_check $_ld_sock && _closesocket=yes
 if test "$_closesocket" = yes ; then
   _def_closesocket='#define HAVE_CLOSESOCKET 1'
 else