emacs-common: depend on texinfo

Else the info dir is not updated and it's hard to read Emacs manuals.

srcpkgs/emacs/template

@@ -1,7 +1,7 @@
 # Template file for 'emacs'
 pkgname=emacs
 version=24.3
-revision=5
+revision=6
 hostmakedepends="pkg-config"
 makedepends="ncurses-devel libXaw-devel gtk+-devel"
 depends="emacs-common-${version}_${revision}"
@@ -128,6 +128,7 @@ do_install() {
 
 emacs-common_package() {
 	short_desc+=" - common files"
+	depends="texinfo"
 	noarch=yes
 	pkg_install() {
 		vmove usr/share/emacs