patch 8.2.1336: build failure on non-Unix systems

Problem:    Build failure on non-Unix systems.
Solution:   Add #ifdef.
diff --git a/src/gui.c b/src/gui.c
index e474554..5d003a3 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -5588,7 +5588,10 @@
     int c = merge_modifyOtherKeys(key, &modifiers);
 
     if ((c == Ctrl_C && ctrl_c_interrupts)
-	    || (intr_char != Ctrl_C && c == intr_char))
+#ifdef UNIX
+	    || (intr_char != Ctrl_C && c == intr_char)
+#endif
+	    )
     {
 	got_int = TRUE;
 	return c;
diff --git a/src/version.c b/src/version.c
index 931793e..bf22a76 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1336,
+/**/
     1335,
 /**/
     1334,