patch 9.0.0337: flicker when resetting cmdline_row after updating the screen

Problem:    Flicker when resetting cmdline_row after updating the screen.
Solution:   Do not update cmdline_row. (issue #11017)
diff --git a/src/drawscreen.c b/src/drawscreen.c
index e90da5f..3153d36 100644
--- a/src/drawscreen.c
+++ b/src/drawscreen.c
@@ -839,10 +839,6 @@
     // handle the drop now.
     handle_any_postponed_drop();
 #endif
-
-    if (p_ch == 0)
-	// in case it was changed in dont_use_message_window()
-	cmdline_row = Rows;
 }
 
 /*
diff --git a/src/version.c b/src/version.c
index bfc6691..1ff36ff 100644
--- a/src/version.c
+++ b/src/version.c
@@ -708,6 +708,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    337,
+/**/
     336,
 /**/
     335,