Fix unwind in collect_array() incorrectly dropping slice

Fortune for transfer's current commit: Future blessing − 末吉

src/ext.rs

@@ -212,13 +212,11 @@ where I: Iterator
 	    Err(e) => {
 		// Drop all initialised elements before resuming unwind.
 		unsafe {
-		    std::ptr::drop_in_place(&mut out[..init_to] as *mut [_]);
+		    std::ptr::drop_in_place(&mut out[..init_to] as *mut [MaybeUninit<I::Item>] as *mut [I::Item]);
 		}
 		std::panic::resume_unwind(e)
-
 	    },
 	}
-	
     }
 }