[librsvg-oci-images] Add cargo-vendor to the openSUSE packages

[Federico Mena Quintero <federico src gnome org>]

commit 6d06676e3b3284839fd67fe57adf98ac3dc6cdda
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Sep 3 08:58:45 2019 -0500

    Add cargo-vendor to the openSUSE packages

 opensuse/prepare.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/opensuse/prepare.sh b/opensuse/prepare.sh
index acf8b8c..1e7dc6b 100644
--- a/opensuse/prepare.sh
+++ b/opensuse/prepare.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 zypper update -y
-zypper install -y gcc rust rust-std cargo make vala \
+zypper install -y gcc rust rust-std cargo cargo-vendor make vala \
     automake autoconf libtool gettext itstool git \
     gtk-doc gobject-introspection-devel gtk3-devel \
     libxml2-devel libcroco-devel cairo-devel \