libxslt: needs locale support, why?

package/libxslt/Makefile

@@ -12,7 +12,7 @@ PKG_SECTION:=		libs/data
 PKG_DEPENDS:=		libxml2
 PKG_BUILDDEP:=		libxslt-host libxml2
 HOST_BUILDDEP:=		libxml2-host
-PKG_NEEDS:=		c++
+PKG_NEEDS:=		c++ locale
 PKG_URL:=		http://xmlsoft.org/XSLT
 PKG_SITES:=		https://download.gnome.org/sources/libxslt/1.1/
 PKG_OPTS:=		dev