patch 8.2.4967: MS-Windows GUI: mouse event test sometimes fails

Problem:    MS-Windows GUI: mouse event test sometimes fails.
Solution:   Ignore one move event only if there is an extra event.
diff --git a/src/version.c b/src/version.c
index dcb8d72..6359e03 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4967,
+/**/
     4966,
 /**/
     4965,