patch 8.2.1737: cursor line highlight in popup window is not always updated

Problem:    Cursor line highlight in popup window is not always updated.
Solution:   Check if the cursor has moved. (closes #7010)
diff --git a/src/version.c b/src/version.c
index a2383c9..24e30ff 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1737,
+/**/
     1736,
 /**/
     1735,