bison: bump to version 2.5

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/bison/bison-2.4.3-uclibc-sched_param-def.patch

@@ -1,19 +0,0 @@
-uclibc defines __GLIBC__ but it does not expose struct shed_param as much as glibc
-and is not needed too per standard. gnulib attempts to use it but we have to account
-for it because in this case uclibc does not behave like glibc.
-
--Khem
-
-http://bugs.gentoo.org/336484
-
---- m4-1.4.14/lib/spawn.in.h
-+++ m4-1.4.14/lib/spawn.in.h
-@@ -31,7 +31,7 @@
- 
- /* Get definitions of 'struct sched_param' and 'sigset_t'.
-    But avoid namespace pollution on glibc systems.  */
--#ifndef __GLIBC__
-+#if !defined __GLIBC__ || defined __UCLIBC__
- # include <sched.h>
- # include <signal.h>
- #endif

package/bison/bison.mk

@@ -4,7 +4,7 @@
 #
 #############################################################
 
-BISON_VERSION = 2.4.3
+BISON_VERSION = 2.5
 BISON_SITE = $(BR2_GNU_MIRROR)/bison
 
 define BISON_DISABLE_EXAMPLES