export M4 variable, required for bison to find m4

package/base-files/Makefile

@@ -6,7 +6,7 @@ include $(ADK_TOPDIR)/mk/rootfs.mk
 
 PKG_NAME:=		base-files
 PKG_VERSION:=		1.1
-PKG_RELEASE:=		27
+PKG_RELEASE:=		28
 PKG_SECTION:=		base/apps
 PKG_DESCR:=		basic files and scripts
 

package/base-files/files/profile

@@ -1,6 +1,7 @@
 export PATH=/bin:/sbin:/usr/bin:/usr/sbin
 export TERM=linux
 export EDITOR=/bin/vi
+export M4=/usr/bin/m4
 if [[ $(id -u) = 0 ]]; then
 	export PS1='`whoami`@`hostname`:`pwd` # '
 else