Fix method signature for ResponseStream

src/http/response_stream.zig

@@ -138,7 +138,7 @@ pub fn ResponseStream(comptime BaseWriter: type) type {
             }
         }
 
-        pub fn close(self: *const Self) void {
+        pub fn close(self: *Self) void {
             self.allocator.free(self.buffer);
         }
     };