Correctly link with -lreadline as it need -ltermcap.

--- configure.orig	Wed Jun  1 14:35:16 2016
+++ configure	Fri Jun 17 20:36:59 2016
@@ -12209,7 +12209,7 @@ for ac_lib in '' readline; do
     ac_res="none required"
   else
     ac_res=-l$ac_lib
-    LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
+    LIBS="-l$ac_lib -ltermcap $ac_func_search_save_LIBS"
   fi
   if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_readline=$ac_res
@@ -12232,7 +12232,7 @@ fi
 $as_echo "$ac_cv_search_readline" >&6; }
 ac_res=$ac_cv_search_readline
 if test "$ac_res" != no; then :
-  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+  test "$ac_res" = "none required" || LIBS="$ac_res $LIBS -ltermcap"
 
 fi