which.mk:

-Update to 2.20 which doesn't depend on readline

Config.in:
-Don't depend on readline any longer

package/which/Config.in

@@ -1,6 +1,5 @@
 config BR2_PACKAGE_WHICH
 	bool "which"
-	select BR2_READLINE
 	help
 	  The standard 'which' utility.
 

package/which/which.mk

@@ -3,7 +3,7 @@
 # which
 #
 #############################################################
-WHICH_VERSION:=2.19
+WHICH_VERSION:=2.20
 WHICH_SOURCE:=which-$(WHICH_VERSION).tar.gz
 WHICH_SITE:=http://www.xs4all.nl/~carlo17/which/
 WHICH_AUTORECONF:=NO