xlib_libXpm: 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.

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

package/x11r7/xlib_libXpm/xlib_libXpm.mk

@@ -13,8 +13,7 @@ XLIB_LIBXPM_INSTALL_STAGING = YES
 # we patch configure.ac
 XLIB_LIBXPM_AUTORECONF = YES
 XLIB_LIBXPM_DEPENDENCIES = xlib_libX11 xlib_libXext xlib_libXt xproto_xproto \
-	$(if $(BR2_PACKAGE_GETTEXT),gettext) \
 	$(if $(BR2_PACKAGE_LIBICONV),libiconv) \
-	host-gettext
+	$(TARGET_NLS_DEPENDENCIES)
 
 $(eval $(autotools-package))