[librsvg/librsvg-2.48] Visual Studio: Remove test output directory on 'clean'

[Chun-wei Fan <fanchunwei src gnome org>]

commit 19f97075813d7a2590e4e666b6015587d1b7db27
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Fri Jul 10 13:03:25 2020 +0800

    Visual Studio: Remove test output directory on 'clean'

 win32/build-rules-msvc.mak | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/win32/build-rules-msvc.mak b/win32/build-rules-msvc.mak
index ceb91d3a..2200a183 100644
--- a/win32/build-rules-msvc.mak
+++ b/win32/build-rules-msvc.mak
@@ -157,6 +157,7 @@ clean:
        @-del /s /q $(OUTDIR)\librsvg\*.obj
        @-del /s /q $(OUTDIR)\librsvg\*.pdb
        @-rmdir /s /q $(OUTDIR)\output
+       @-rmdir /s /q output
        @-rmdir /s /q $(OUTDIR)\rsvg-tests
        @-rmdir /s /q $(OUTDIR)\rsvg-tools
        @-rmdir /s /q $(OUTDIR)\rsvg-gdk-pixbuf-loader