Also build rutabaga as a ststic library.

This is useful to create monolithic portable binaries.

Change-Id: I7de6b20fbc5ab85f588cd2711d7e99d0183d9f15
Bug: b/276425028
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4450988
Reviewed-by: Dennis Kempin <denniskempin@google.com>
Commit-Queue: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
diff --git a/rutabaga_gfx/ffi/Cargo.toml b/rutabaga_gfx/ffi/Cargo.toml
index 1e65bd3..35d59bb 100644
--- a/rutabaga_gfx/ffi/Cargo.toml
+++ b/rutabaga_gfx/ffi/Cargo.toml
@@ -7,7 +7,7 @@
 
 [lib]
 name = "rutabaga_gfx_ffi"
-crate-type = ["cdylib"]
+crate-type = ["cdylib", "staticlib"]
 
 [dependencies]
 rutabaga_gfx = { path = "../", version = "0.1.1-alpha.1"}