patch 8.2.2152: screenpos() does not include the WinBar offset

Problem:    screenpos() does not include the WinBar offset.
Solution:   Use W_WINROW() instead of directly using w_window. (closes #7487)
diff --git a/src/version.c b/src/version.c
index 43daa6d..3e64518 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2152,
+/**/
     2151,
 /**/
     2150,