package/gstd: needs gst-debug

gstd needs gst-debug since its addition in commit
02ea01ea22e94ef353a638bf16f62f6e3ed1208e:

/home/giuliobenetti/autobuild/run/instance-1/output-1/host/opt/ext-toolchain/bin/../lib/gcc/riscv64-buildroot-linux-gnu/10.2.0/../../../../riscv64-buildroot-linux-gnu/bin/ld: gstd/libgstd-core.so.0.13.0.p/gstd_pipeline.c.o: in function `gstd_pipeline_get_property':
gstd_pipeline.c:(.text+0x5d8): undefined reference to `gst_debug_bin_to_dot_data'

Fixes:
 - http://autobuild.buildroot.org/results/2f4de1b229df47d9bfd5a2576fd59da2ad45aeb6

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/gstreamer1/gstd/Config.in

@@ -3,6 +3,7 @@ config BR2_PACKAGE_GSTD
 	depends on BR2_USE_WCHAR # libglib2 -> gettext, libsoup
 	depends on BR2_TOOLCHAIN_HAS_THREADS # libglib2, libsoup
 	depends on BR2_USE_MMU # libdaemon, libglib2
+	select BR2_PACKAGE_GSTREAMER1_GST_DEBUG # gst_debug_bin_to_dot_data
 	select BR2_PACKAGE_JANSSON
 	select BR2_PACKAGE_JSON_GLIB
 	select BR2_PACKAGE_LIBDAEMON