Bump to 0.3.46

Author: alexcrichton

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 
 name = "gcc"
-version = "0.3.45"
+version = "0.3.46"
 authors = ["Alex Crichton <[email protected]>"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/alexcrichton/gcc-rs"

src/windows_registry.rs

@@ -15,6 +15,7 @@ use std::process::Command;
 
 use Tool;
 
+#[cfg(windows)]
 macro_rules! otry {
     ($expr:expr) => (match $expr {
         Some(val) => val,