Update gcc-rs to cc-rs

snappy-sys/Cargo.toml

@@ -18,4 +18,4 @@ static = []
 libc = "0.2"
 
 [build-dependencies]
-gcc = { version = "0.3", features = ["parallel"] }
+cc = { version = "1.0", features = ["parallel"] }

snappy-sys/build.rs

@@ -1,7 +1,7 @@
-extern crate gcc;
+extern crate cc;
 
 fn main() {
-	let mut snappy_config = gcc::Config::new();
+	let mut snappy_config = cc::Build::new();
 	snappy_config.include("snappy/");
 	snappy_config.include(".");