[librsvg-oci-images] Install debuggers in the openSUSE image

[Federico Mena Quintero <federico src gnome org>]

commit 930e7f292147d3d3a842d0edc86b8155f0656fb9
Author: Federico Mena Quintero <federico gnome org>
Date:   Wed Jun 3 12:07:28 2020 -0500

    Install debuggers in the openSUSE image

 opensuse/prepare.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/opensuse/prepare.sh b/opensuse/prepare.sh
index d543ca5..8beef8d 100644
--- a/opensuse/prepare.sh
+++ b/opensuse/prepare.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 zypper update -y
-zypper install -y gcc rust cargo rustfmt make vala \
+zypper install -y gcc rust cargo rustfmt gdb rust-gdb rr make vala \
     automake autoconf libtool gettext itstool git \
     gtk-doc gobject-introspection-devel gtk3-devel \
     libxml2-devel libcroco-devel cairo-devel \