gmpc: use the new gettext logic

This commit switches to use the new gettext logic, which involves:

 - using TARGET_NLS_DEPENDENCIES instead of hand-encoded dependencies
   on gettext/host-gettext

 - dropping BR2_PACKAGE_GETTEXT selection

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/gmpc/Config.in

@@ -6,7 +6,6 @@ config BR2_PACKAGE_GMPC
 	depends on BR2_USE_MMU # glib2
 	depends on BR2_PACKAGE_XORG7
 	select BR2_PACKAGE_LIBGLIB2
-	select BR2_PACKAGE_GETTEXT if BR2_NEEDS_GETTEXT_IF_LOCALE
 	select BR2_PACKAGE_LIBICONV if !BR2_ENABLE_LOCALE
 	select BR2_PACKAGE_LIBMPD
 	select BR2_PACKAGE_LIBSOUP

package/gmpc/gmpc.mk

@@ -13,6 +13,6 @@ GMPC_LICENSE_FILES = COPYING
 GMPC_DEPENDENCIES = host-gob2 host-intltool host-pkgconf host-vala \
 	libglib2 libgtk2 libmpd libsoup sqlite \
 	xlib_libICE xlib_libSM xlib_libX11 \
-	$(if $(BR2_NEEDS_GETTEXT_IF_LOCALE),gettext)
+	$(TARGET_NLS_DEPENDENCIES)
 
 $(eval $(autotools-package))