gst-dsp: Move download link away from Google Code

Google Code is being shut down. The google code site which hosts the
source .tar.gz references github/felipec, which has a gst-dsp repository
with the same code as the tar.gz previously referenced.

Change the GST_DSP_SITE to this github repo.

Signed-off-by: Alan Ott <alan@softiron.co.uk>
Signed-off-by: Carlos Santos <casantos@datacom.ind.br>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/gstreamer/gst-dsp/gst-dsp.mk

@@ -4,8 +4,8 @@
 #
 ################################################################################
 
-GST_DSP_VERSION = 0.10.2
-GST_DSP_SITE = http://gst-dsp.googlecode.com/files
+GST_DSP_VERSION = v0.10.2
+GST_DSP_SITE = $(call github,felipec,gst-dsp,$(GST_DSP_VERSION))
 
 define GST_DSP_BUILD_CMDS
 	$(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D) -e