lua54: move lua-doc alternative to devel

srcpkgs/lua54/template

@@ -1,7 +1,7 @@
 # Template file for 'lua54'
 pkgname=lua54
 version=5.4.1
-revision=1
+revision=2
 wrksrc=lua-${version}
 makedepends="ncurses-devel readline-devel"
 short_desc="Powerful, fast, lightweight, embeddable scripting language (5.4.x)"
@@ -16,7 +16,6 @@ alternatives="
  lua:luac:/usr/bin/luac5.4
  lua:lua.1:/usr/share/man/man1/lua5.4.1
  lua:luac.1:/usr/share/man/man1/luac5.4.1
- lua:lua:/usr/share/doc/lua5.4
 "
 
 do_build() {
@@ -57,6 +56,7 @@ lua54-devel_package() {
 	depends="${makedepends} lua54>=${version}_${revision}"
 	short_desc+=" - development files"
 	alternatives="
+	 lua-devel:lua:/usr/share/doc/lua5.4
 	 lua-devel:lua.pc:/usr/lib/pkgconfig/lua5.4.pc
 	"
 	pkg_install() {