shell32/autocomplete: Fix going up through the suggestion listbox.

When going up past the topmost item in the listbox, go through txtbackup first before wrapping around, just like when going down. This matches Windows behavior. Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com> Signed-off-by: Huw Davies <huw@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

shell32/autocomplete: Fix going up through the suggestion listbox.
cb8bd825 · Gabriel Ivăncescu · Alexandre Julliard · 47ab4904 · cb8bd825
Commit cb8bd825 authored Sep 20, 2018 by Gabriel Ivăncescu Committed by Alexandre Julliard Sep 21, 2018
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autocomplete.c dlls/shell32/autocomplete.c +1 -1

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--- a/dlls/shell32/autocomplete.c
+++ b/dlls/shell32/autocomplete.c
@@ -296,7 +296,7 @@ static LRESULT ACEditSubclassProc_KeyDown(IAutoCompleteImpl *ac, HWND hwnd, UINT
                /* Change the selection */
                sel = SendMessageW(ac->hwndListBox, LB_GETCURSEL, 0, 0);
                if (wParam == VK_UP)
-                    sel = ((sel - 1) < 0) ? count - 1 : sel - 1;
+                    sel = ((sel - 1) < -1) ? count - 1 : sel - 1;
                else
                    sel = ((sel + 1) >= count) ? -1 : sel + 1;
                SendMessageW(ac->hwndListBox, LB_SETCURSEL, sel, 0);