rust: do not add qemuutil to Rust crates

This fails due to https://github.com/mesonbuild/meson/pull/15076.
The config-host.h file from the qemuutil dependency ends up on the
rustc command line for targets that do not use structured sources.

It will be reverted once Meson 1.9.2 is released.

Reported-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2 files changed