patch 9.0.1992: [security] segfault in exmode

Problem:  segfault in exmode when redrawing
Solution: skip gui_scroll when exmode_active

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/crash/crash_scrollbar b/src/testdir/crash/crash_scrollbar
new file mode 100644
index 0000000..1de5905
--- /dev/null
+++ b/src/testdir/crash/crash_scrollbar
@@ -0,0 +1,2 @@
+" this goes to insert mode and presses key k_VerScrollbar which may cause a redraw in exmode, which used ot crash Vim
+norm o€ùX