[librsvg: 1/8] ci/test-msys2.sh: Enable RUST_BACKTRACE to find out what went wrong in the tests

[Marge Bot <marge-bot src gnome org>]

commit b52b905ba962b7de9dc029619799bd10629c91c1
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Aug 9 18:19:49 2022 -0500

    ci/test-msys2.sh: Enable RUST_BACKTRACE to find out what went wrong in the tests
    
    Part-of: <https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/728>

 ci/test-msys2.sh | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/ci/test-msys2.sh b/ci/test-msys2.sh
index 9976cdf36..29da73d06 100644
--- a/ci/test-msys2.sh
+++ b/ci/test-msys2.sh
@@ -34,5 +34,6 @@ cd _build
 # Stolen from https://github.com/msys2/MINGW-packages/blob/master/mingw-w64-librsvg/PKGBUILD
 ../autogen.sh LIBS="-lws2_32 -luserenv"
 make
+export RUST_BACKTRACE=1
 make check || true # allow failure