Update to latest rust master (0.8-pre d2b0b11)

1 files changed, 1 insertions, 1 deletions

diff --git a/hash.rs b/hash.rs
index 61f9c80f..3ace9751 100644
--- a/hash.rs
+++ b/hash.rs
@@ -99,7 +99,7 @@ impl Hasher {
 }
 
 impl Drop for Hasher {
-    fn drop(&self) {
+    fn drop(&mut self) {
         #[fixed_stack_segment]; #[inline(never)];
         unsafe {
             libcrypto::EVP_MD_CTX_destroy(self.ctx);