package/freerdp: fix build with gstreamer support

FreeRDP with gstreamer support enabled needs gstreamer and gst-plugins-base
with gstapp.

Fixes:
  http://autobuild.buildroot.net/results/937/9373d4238bc3f027e571581bd3531018c4faed91/
  http://autobuild.buildroot.org/results/f77/f77a2c9eea7973b54a22e12ab33ee8964adaddfd/

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Tested-by: Gergely Imreh <imrehg@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/freerdp/Config.in

@@ -5,6 +5,8 @@ config BR2_PACKAGE_FREERDP
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	select BR2_PACKAGE_OPENSSL
 	select BR2_PACKAGE_ZLIB
+	select BR2_PACKAGE_GST_PLUGINS_BASE if BR2_PACKAGE_GSTREAMER
+	select BR2_PACKAGE_GST_PLUGINS_BASE_PLUGIN_APP if BR2_PACKAGE_GSTREAMER
 	help
 	  FreeRDP is a free implementation of the Remote Desktop
 	  Protocol (RDP), released under the Apache license

package/freerdp/freerdp.mk

@@ -17,7 +17,8 @@ FREERDP_CONF_OPTS = -DWITH_MANPAGES=OFF -Wno-dev
 
 ifeq ($(BR2_PACKAGE_GSTREAMER),y)
 FREERDP_CONF_OPTS += -DWITH_GSTREAMER=ON
-FREERDP_DEPENDENCIES += gstreamer
+# freerdp needs gstinterface and gstapp from gst-plugins-base
+FREERDP_DEPENDENCIES += gstreamer gst-plugins-base
 else
 FREERDP_CONF_OPTS += -DWITH_GSTREAMER=OFF
 endif