patch 8.2.2833: two key command cancelled by moving mouse when using popup

Problem:    Two key command cancelled by moving mouse when using popup.
            (Sergey Vlasov)
Solution:   Ignore K_MOUSEMOVE in plain_vgetc().
diff --git a/src/version.c b/src/version.c
index c28a39c..9336576 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2833,
+/**/
     2832,
 /**/
     2831,