Run pkg-config on MSVC

Author: ferjm

build.rs

@@ -32,7 +32,6 @@ fn main() {
     // (Homebrew, Ports, etc.)
     let want_static = env::var("LIBZ_SYS_STATIC").unwrap_or(String::new()) == "1";
     if !want_static &&
-       !target.contains("msvc") && // pkg-config just never works here
        !(host_and_target_contain("apple") ||
          host_and_target_contain("freebsd") ||
          host_and_target_contain("dragonfly")) &&