util: move socket_init() to osdep.c

vscclient needs to call socket_init() for portability.
Moving to osdep.c since it has no internal dependency.
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: NAlon Levy <alevy@redhat.com>

util/osdep.c

@@ -406,3 +406,26 @@ bool fips_get_state(void)
     return fips_enabled;
 }
 
+#ifdef _WIN32
+static void socket_cleanup(void)
+{
+    WSACleanup();
+}
+#endif
+
+int socket_init(void)
+{
+#ifdef _WIN32
+    WSADATA Data;
+    int ret, err;
+
+    ret = WSAStartup(MAKEWORD(2, 2), &Data);
+    if (ret != 0) {
+        err = WSAGetLastError();
+        fprintf(stderr, "WSAStartup: %d\n", err);
+        return -1;
+    }
+    atexit(socket_cleanup);
+#endif
+    return 0;
+}

util/qemu-sockets.c

@@ -974,27 +974,3 @@ int socket_dgram(SocketAddress *remote, SocketAddress *local, Error **errp)
     qemu_opts_del(opts);
     return fd;
 }
-
-#ifdef _WIN32
-static void socket_cleanup(void)
-{
-    WSACleanup();
-}
-#endif
-
-int socket_init(void)
-{
-#ifdef _WIN32
-    WSADATA Data;
-    int ret, err;
-
-    ret = WSAStartup(MAKEWORD(2,2), &Data);
-    if (ret != 0) {
-        err = WSAGetLastError();
-        fprintf(stderr, "WSAStartup: %d\n", err);
-        return -1;
-    }
-    atexit(socket_cleanup);
-#endif
-    return 0;
-}