Follow a common criteria for returned values

Author: Isaac Raño Jares

src/org/freedesktop/gstreamer/GInetSocketAddress.java

@@ -27,7 +27,7 @@ public GInetSocketAddress(Initializer init) {
 		super(init);
 	}
 
-	public Integer getPort() {
+	public int getPort() {
 		return (Integer) get("port");
 	}
 

src/org/freedesktop/gstreamer/GSocket.java

@@ -77,7 +77,7 @@ public boolean isBlocking() {
 		return (Boolean) get("blocking");
 	}
 
-	public Integer getFD() {
+	public int getFD() {
 		return (Integer) get("fd");
 	}