Revert mutex related commit # f48af77q

Removed an incorrect implementation to provide thread safety
for the function register_error_handler.

Author: pradeep

Cargo.toml

@@ -15,7 +15,6 @@ build         = "build.rs"
 libc = "0.1.10"
 num  = "0.1.27"
 time = "0.1.32"
-lazy_static = "0.1.*"
 
 [build-dependencies]
 rustc-serialize = "0.3.16"

src/error.rs

@@ -1,19 +1,12 @@
-
 use defines::AfError;
 use std::error::Error;
-use std::sync::Mutex;
 
 pub type ErrorCallback = Fn(AfError);
 
 pub static mut HANDLE_ERROR: &'static ErrorCallback = &handle_error_general; 
 
-lazy_static! {
-    static ref HANDLE_ERROR_LOCK: Mutex<i32> = Mutex::new(0);
-}
-
 #[allow(unused_must_use)]
 pub fn register_error_handler(callback: &'static ErrorCallback) {
-    HANDLE_ERROR_LOCK.lock().unwrap();
     unsafe {
         HANDLE_ERROR = callback;
     }

src/lib.rs

@@ -2,9 +2,6 @@
        html_favicon_url = "http://www.rust-lang.org/favicon.ico",
        html_root_url = "http://arrayfire.com/docs/rust")]
 
-#[macro_use]
-extern crate lazy_static;
-
 pub use array::Array;
 pub use array::{print};
 mod array;