Compile fix on Linux.

Change-Id: I046c3a843c9a77ccb1c0f6569220d1c7497d26f4
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

src/tools/mdnssd/mdnssd.pro

@@ -46,7 +46,7 @@ HEADERS += \
     DebugServices.h \
     dns_sd.h
 
-linux-g++ {
+linux-* {
 DEFINES += NOT_HAVE_SA_LEN USES_NETLINK HAVE_LINUX TARGET_OS_LINUX
 }
 macx {