gnu: gst-plugins-rs: Fix build.mesa-updates

* gnu/packages/gstreamer.scm (gst-plugins-rs)[arguments]: In
prepare-cargo-build-system phase, add prepare-rust-crates phase from
cargo-build-system.

Change-Id: Ie5ce8413cb04f3cfcf0b59e951659274b4bcf0ff

1 files changed, 2 insertions, 1 deletions

diff --git a/gnu/packages/gstreamer.scm b/gnu/packages/gstreamer.scm
index 90f4ab47c98..8f404705112 100644
--- a/gnu/packages/gstreamer.scm
+++ b/gnu/packages/gstreamer.scm
@@ -1037,7 +1037,8 @@ par compared to the rest.")
                  (apply (assoc-ref cargo:%standard-phases phase)
                         #:cargo-target #$(cargo-triplet)
                         args))
-               '(unpack-rust-crates
+               '(prepare-rust-crates
+                 unpack-rust-crates
                  configure
                  check-for-pregenerated-files
                  patch-cargo-checksums))))