[475807] Fix cross compiling of websockets.

Thanks to Tyler Brandon.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=475807

ChangeLog.txt

@@ -4,6 +4,7 @@
 Broker:
 - Don't leak sockets when outgoing bridge with multiple addresses cannot
   connect. Closes #477571.
+- Fix cross compiling of websockets. Closes #475807.
 
 
 1.4.3 - 20150818

src/Makefile

@@ -90,7 +90,7 @@ util_mosq.o : ../lib/util_mosq.c ../lib/util_mosq.h
 	${CROSS_COMPILE}${CC} $(BROKER_CFLAGS) -c $< -o $@
 
 websockets.o : websockets.c mosquitto_broker.h
-	${CC} $(BROKER_CFLAGS) -c $< -o $@
+	${CROSS_COMPILE}${CC} $(BROKER_CFLAGS) -c $< -o $@
 
 will_mosq.o : ../lib/will_mosq.c ../lib/will_mosq.h
 	${CROSS_COMPILE}${CC} $(BROKER_CFLAGS) -c $< -o $@