Util: Use closesocket on Windows

CHANGES

@@ -14,6 +14,7 @@ Bugfixes:
  - GBA Serialize: Fix memory corruption bug in GBAExtdataSerialize
  - GBA Serialize: Fix loading savegames from savestates
  - All: Fix several file handle leaks
+ - Util: Use closesocket on Windows
 Misc:
  - GBA: Slightly optimize GBAProcessEvents
  - Qt: Add preset for DualShock 4

src/util/socket.h

@@ -83,6 +83,14 @@ static inline ssize_t SocketRecv(Socket socket, void* buffer, size_t size) {
 #endif
 }
 
+static inline int SocketClose(Socket socket) {
+#ifdef _WIN32
+	return closesocket(socket) == 0;
+#else
+	return close(socket) >= 0;
+#endif
+}
+
 static inline Socket SocketOpenTCP(int port, const struct Address* bindAddress) {
 	Socket sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
 	if (SOCKET_FAILED(sock)) {
@@ -112,7 +120,7 @@ static inline Socket SocketOpenTCP(int port, const struct Address* bindAddress)
 		err = bind(sock, (const struct sockaddr*) &bindInfo, sizeof(bindInfo));
 	}
 	if (err) {
-		close(sock);
+		SocketClose(sock);
 		return INVALID_SOCKET;
 	}
 	return sock;
@@ -148,7 +156,7 @@ static inline Socket SocketConnectTCP(int port, const struct Address* destinatio
 	}
 
 	if (err) {
-		close(sock);
+		SocketClose(sock);
 		return INVALID_SOCKET;
 	}
 	return sock;
@@ -179,10 +187,6 @@ static inline Socket SocketAccept(Socket socket, struct Address* address) {
 	}
 }
 
-static inline int SocketClose(Socket socket) {
-	return close(socket) >= 0;
-}
-
 static inline int SocketSetBlocking(Socket socket, bool blocking) {
 #ifdef _WIN32
 	u_long unblocking = !blocking;