xlib_libXpm: needs host-gettext

Fixes:
http://autobuild.buildroot.net/results/00b/00b5c7745df5359908f6c77f90c1598b71638081/

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/x11r7/xlib_libXpm/xlib_libXpm.mk

@@ -10,6 +10,7 @@ XLIB_LIBXPM_SITE = http://xorg.freedesktop.org/releases/individual/lib
 XLIB_LIBXPM_LICENSE = MIT
 XLIB_LIBXPM_LICENSE_FILES = COPYING
 XLIB_LIBXPM_INSTALL_STAGING = YES
-XLIB_LIBXPM_DEPENDENCIES = xlib_libX11 xlib_libXext xlib_libXt xproto_xproto
+XLIB_LIBXPM_DEPENDENCIES = xlib_libX11 xlib_libXext xlib_libXt xproto_xproto \
+	host-gettext
 
 $(eval $(autotools-package))