package/mediastreamer: add another optional dependency to speexdsp

Fixes
http://autobuild.buildroot.net/results/b21/b2104c491f0898981c652043161c52ac6c43110f/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/mediastreamer/mediastreamer.mk

@@ -60,7 +60,7 @@ else
 MEDIASTREAMER_CONF_OPTS += --disable-pulseaudio
 endif
 
-ifeq ($(BR2_PACKAGE_SPEEX),y)
+ifeq ($(BR2_PACKAGE_SPEEX)$(BR2_PACKAGE_SPEEXDSP),yy)
 MEDIASTREAMER_CONF_OPTS += --enable-speex
 MEDIASTREAMER_DEPENDENCIES += speex
 else