patch 9.0.1146: MS-Windows: various special keys/modifiers are not mappable

Problem:    MS-Windows: various special keys and modifiers are not mappable.
Solution:   Adjust the handling of keys with modifiers. (Christian Plewright,
            closes #11768)
diff --git a/src/version.c b/src/version.c
index 9c38fd9..44d8db9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1146,
+/**/
     1145,
 /**/
     1144,