patch 8.2.4965: GUI: testing mouse move event depends on screen cell size

Problem:    GUI: testing mouse move event depends on screen cell size.
Solution:   Multiply the row and column with the screen cell size.
diff --git a/src/version.c b/src/version.c
index 1b98b03..f36e552 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4965,
+/**/
     4964,
 /**/
     4963,