patch 8.2.1166: once mouse move events are enabled getchar() returns them

Problem:    Once mouse move events are enabled getchar() returns them.
Solution:   Ignore K_MOUSEMOVE in getchar(). (closes #6424)
diff --git a/src/version.c b/src/version.c
index 06f3f27..9fcf578 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1166,
+/**/
     1165,
 /**/
     1164,