patch 8.1.0835: GUI build fails on MS-Windows

Problem:    GUI build fails on MS-Windows.
Solution:   Adjust #ifdef.

Author: brammool

src/ui.c

@@ -399,7 +399,7 @@ inchar_loop(
 #endif
 
 	if ((resize_func != NULL && resize_func(TRUE))
-#ifdef FEAT_CLIENTSERVER
+#if defined(FEAT_CLIENTSERVER) && defined(UNIX)
 		|| server_waiting()
 #endif
 #ifdef MESSAGE_QUEUE

src/version.c

@@ -783,6 +783,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    835,
 /**/
     834,
 /**/