[fpmsyncd] align port variable type with sockaddr_in.sin_port (sonic-net#831)

Signed-off-by: Stepan Blyschak <[email protected]>

Author: stepanblyschak

fpmsyncd/fpmlink.cpp

@@ -9,7 +9,7 @@
 using namespace swss;
 using namespace std;
 
-FpmLink::FpmLink(int port) :
+FpmLink::FpmLink(unsigned short port) :
     MSG_BATCH_SIZE(256),
     m_bufSize(FPM_MAX_MSG_LEN * MSG_BATCH_SIZE),
     m_messageBuffer(NULL),

fpmsyncd/fpmlink.h

@@ -19,7 +19,7 @@ namespace swss {
 class FpmLink : public Selectable {
 public:
     const int MSG_BATCH_SIZE;
-    FpmLink(int port = FPM_DEFAULT_PORT);
+    FpmLink(unsigned short port = FPM_DEFAULT_PORT);
     virtual ~FpmLink();
 
     /* Wait for connection (blocking) */