patch 8.2.2938: after using motion force from feedkeys() it sticks

Problem:    After using motion force from feedkeys() it may not be reset.
Solution:   Clear motion_force in clearop(). (closes #8323)
diff --git a/src/version.c b/src/version.c
index d59df5c..3ac26ab 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2938,
+/**/
     2937,
 /**/
     2936,