package/janus-gateway: Changed WebSockets library from libwebsock to libwebsockets

For details see
https://github.com/meetecho/janus-gateway/commit/f500ae8ea492109e7e8d52c669e1a7d1a5021537

Fixes
http://autobuild.buildroot.net/results/e46/e468792af4aadbc6c9fce828a9d423e35c303b90/
http://autobuild.buildroot.net/results/88f/88f2cdbe2aad2d2476372dd4d559edf2bf16d5b1/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/janus-gateway/janus-gateway.mk

@@ -26,8 +26,8 @@ JANUS_GATEWAY_CONF_OPTS = \
 	--disable-data-channels \
 	--disable-rabbitmq
 
-ifeq ($(BR2_PACKAGE_LIBWEBSOCK),y)
-JANUS_GATEWAY_DEPENDENCIES += libwebsock
+ifeq ($(BR2_PACKAGE_LIBWEBSOCKETS),y)
+JANUS_GATEWAY_DEPENDENCIES += libwebsockets
 JANUS_GATEWAY_CONF_OPTS += --enable-websockets
 else
 JANUS_GATEWAY_CONF_OPTS += --disable-websockets