lib/yajl/ParseInputStream: eliminate variable "done"

src/lib/yajl/ParseInputStream.cxx

@@ -27,17 +27,14 @@ Yajl::ParseInputStream(Handle &handle, InputStream &is)
 {
 	const std::lock_guard<Mutex> protect(is.mutex);
 
-	bool done = false;
-
-	while (!done) {
+	while (true) {
 		unsigned char buffer[4096];
 		const size_t nbytes = is.Read(buffer, sizeof(buffer));
 		if (nbytes == 0)
-			done = true;
+			break;
 
-		if (done) {
-			handle.CompleteParse();
-		} else
-			handle.Parse(buffer, nbytes);
+		handle.Parse(buffer, nbytes);
 	}
+
+	handle.CompleteParse();
 }