minidlna: 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/minidlna/Config.in

@@ -13,7 +13,6 @@ config BR2_PACKAGE_MINIDLNA
 	select BR2_PACKAGE_LIBEXIF
 	select BR2_PACKAGE_JPEG
 	select BR2_PACKAGE_SQLITE
-	select BR2_PACKAGE_GETTEXT if BR2_NEEDS_GETTEXT_IF_LOCALE
 	help
 	  MiniDLNA (aka ReadyDLNA) is server software with the aim of being
 	  fully compliant with DLNA/UPnP-AV clients.

package/minidlna/minidlna.mk

@@ -10,7 +10,7 @@ MINIDLNA_LICENSE = GPL-2.0, BSD-3-Clause
 MINIDLNA_LICENSE_FILES = COPYING LICENCE.miniupnpd
 
 MINIDLNA_DEPENDENCIES = \
-	$(if $(BR2_NEEDS_GETTEXT_IF_LOCALE),gettext) host-gettext \
+	$(TARGET_NLS_DEPENDENCIES) \
 	ffmpeg flac libvorbis libogg libid3tag libexif jpeg sqlite \
 	host-xutil_makedepend