updated for version 7.3.1278
Problem:    When someone sets the screen size to a huge value with "stty" Vim
            runs out of memory before reducing the size.
Solution:   Limit Rows and Columns in more places.
diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
index 853947c..05295bf 100644
--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -3698,6 +3698,7 @@
 		p_window = h - 1;
 	    Rows = h;
 	}
+	limit_screen_size();
 
 	pixel_width = (guint)(gui_get_base_width() + Columns * gui.char_width);
 	pixel_height = (guint)(gui_get_base_height() + Rows * gui.char_height);