package/gst-plugins-bad: disable spandsp

gst-plugins-bad does not build with spandsp so disable it (it's already
disabled in gst1-plugins-bad)

Fixes:
 - http://autobuild.buildroot.org/results/842ca572b7810bca70846274262a6fcdb38df49

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gstreamer/gst-plugins-bad/gst-plugins-bad.mk

@@ -12,7 +12,8 @@ GST_PLUGINS_BAD_LICENSE = LGPL-2.1+, GPL-2.0+
 GST_PLUGINS_BAD_LICENSE_FILES = COPYING.LIB COPYING
 
 GST_PLUGINS_BAD_CONF_OPTS = \
-	--disable-examples
+	--disable-examples \
+	--disable-spandsp
 
 GST_PLUGINS_BAD_DEPENDENCIES = gst-plugins-base gstreamer