configure: ddo not require ncurses to link readline
Index: gap-4r6p5/cnf/configure.out
===================================================================
--- gap-4r6p5.orig/cnf/configure.out	2013-07-28 17:06:45.000000000 +0200
+++ gap-4r6p5/cnf/configure.out	2013-07-28 17:06:45.000000000 +0200
@@ -5860,7 +5860,7 @@
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lreadline -lncurses $LIBS"
+LIBS="-lreadline $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
Index: gap-4r6p5/cnf/configure.in
===================================================================
--- gap-4r6p5.orig/cnf/configure.in	2013-07-28 13:05:27.210212327 +0200
+++ gap-4r6p5/cnf/configure.in	2013-07-28 17:06:45.000000000 +0200
@@ -273,7 +273,7 @@
 
   # TODO: Should also check for headers
   AC_CHECK_LIB([ncurses], [initscr])
-  AC_CHECK_LIB([readline], [rl_gnu_readline_p], [], [with_readline=no], [-lncurses])
+  AC_CHECK_LIB([readline], [rl_gnu_readline_p], [], [with_readline=no])
 
 fi
 
