gd: needs host-pkgconf

configure uses PKG_CHECK_MODULES, so it needs to depend on host-pkgconf.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gd/gd.mk

@@ -13,6 +13,7 @@ GD_LICENSE_FILES = COPYING
 
 GD_CONFIG_SCRIPTS = gdlib-config
 GD_CONF_OPTS = --without-x --disable-rpath
+GD_DEPENDENCIES = host-pkgconf
 
 # gd forgets to link utilities with -pthread even though it uses
 # pthreads, causing linking errors with static linking