Fixes for Linux.

ports/cef/browser.rs

@@ -87,6 +87,7 @@ cef_static_method_impls! {
         browser_host_create(client, false);
         1i32
     }
+
     fn cef_browser_host_create_browser_sync(_window_info: *const cef_window_info_t,
                                             client: *mut cef_client_t,
                                             _url: *const cef_string_t,

ports/cef/macros.rs

@@ -92,6 +92,7 @@ macro_rules! cef_static_method_impls(
         )*
     ) => (
         $(
+            #[no_mangle]
             pub extern "C" fn $method_name($($method_arg_name: $method_arg_type),*)
                                            -> $method_return_type {
                 $(

ports/cef/types.rs

@@ -2,7 +2,11 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-use libc::{c_uint, c_ushort, c_int, c_double, size_t, c_void};
+use libc::{c_uint, c_ushort, c_int, c_double, size_t};
+#[cfg(target_os="linux")]
+use libc::c_ulong;
+#[cfg(target_os="macos")]
+use libc::c_void;
 use libc::types::os::arch::c95::wchar_t;
 
 pub use self::cef_rect as cef_rect_t;