Fix cross-repo path dependency

Author: philiptaylor

Cargo.toml

@@ -10,7 +10,7 @@ categories = ["aerospace", "science", "api-bindings"]
 keywords = ["spice", "spicelib"]
 
 [dependencies]
-f2rust_std = { version = "0.1.0", path = "../f2rust_std" }
+f2rust_std = { version = "0.1.0", git = "https://github.com/zaynar/rsspice.git" }
 
 [dev-dependencies]
 approx = "0.5.1"