package/dvb-apps: don't override dependencies

Don't override DVB_APPS_DEPENDENCIES in a conditional

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit e2b6861fe0c9501f2ab6c6f454e301b06d2b5b8f)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/dvb-apps/dvb-apps.mk

@@ -11,7 +11,7 @@ DVB_APPS_LICENSE = GPL-2.0, GPL-2.0+, LGPL-2.1+
 DVB_APPS_LICENSE_FILES = COPYING COPYING.LGPL
 
 ifeq ($(BR2_ENABLE_LOCALE),)
-DVB_APPS_DEPENDENCIES = libiconv
+DVB_APPS_DEPENDENCIES += libiconv
 DVB_APPS_LDLIBS += -liconv
 endif