Fix lints for non snake-case functions

src/crypto/hash.rs

@@ -129,6 +129,7 @@ mod tests {
         expected_output: String
     }
 
+    #[allow(non_snake_case)]
     fn HashTest(input: &str, output: &str) -> HashTest {
         HashTest { input: input.from_hex().unwrap(),
                    expected_output: output.to_string() }

src/crypto/hmac.rs

@@ -46,7 +46,7 @@ pub struct HMAC {
     len: uint,
 }
 
-#[allow(non_snake_case_functions)]
+#[allow(non_snake_case)]
 pub fn HMAC(ht: hash::HashType, key: &[u8]) -> HMAC {
     unsafe {
         let (evp, mdlen) = hash::evpmd(ht);

src/ssl/mod.rs

@@ -155,7 +155,7 @@ impl SslContext {
         }
     }
 
-    #[allow(non_snake_case_functions)]
+    #[allow(non_snake_case)]
     /// Specifies the file that contains trusted CA certificates.
     pub fn set_CA_file(&mut self, file: &str) -> Option<SslError> {
         let ret = file.with_c_str(|file| {