switch Drop to &mut self

src/libstd/unstable/atomics.rs

@@ -338,7 +338,7 @@ impl<T> AtomicOption<T> {
 
 #[unsafe_destructor]
 impl<T> Drop for AtomicOption<T> {
-    fn drop(&self) {
+    fn drop(&mut self) {
         // This will ensure that the contained data is
         // destroyed, unless it's null.
         unsafe {

src/libstd/unstable/dynamic_lib.rs

@@ -26,7 +26,7 @@ use result::*;
 pub struct DynamicLibrary { priv handle: *libc::c_void }
 
 impl Drop for DynamicLibrary {
-    fn drop(&self) {
+    fn drop(&mut self) {
         match do dl::check_for_errors_in {
             unsafe {
                 dl::close(self.handle)

src/libstd/unstable/finally.rs

@@ -64,7 +64,7 @@ struct Finallyalizer<'self> {
 
 #[unsafe_destructor]
 impl<'self> Drop for Finallyalizer<'self> {
-    fn drop(&self) {
+    fn drop(&mut self) {
         (self.dtor)();
     }
 }

src/libstd/unstable/sync.rs

@@ -220,7 +220,7 @@ impl<T: Send> Clone for UnsafeArc<T> {
 
 #[unsafe_destructor]
 impl<T> Drop for UnsafeArc<T>{
-    fn drop(&self) {
+    fn drop(&mut self) {
         unsafe {
             // Happens when destructing an unwrapper's handle and from `#[unsafe_no_drop_flag]`
             if self.data.is_null() {
@@ -308,7 +308,7 @@ pub struct LittleLock {
 }
 
 impl Drop for LittleLock {
-    fn drop(&self) {
+    fn drop(&mut self) {
         unsafe {
             rust_destroy_little_lock(self.l);
         }