Fix final newline linter error

Author: ptomato

test/built-ins/decodeURIComponent/throw-URIError.js

@@ -37,4 +37,4 @@ assert.throws(URIError, function CHECK4() {
 // CHECK#5: Code point beyond U+10FFFF
 assert.throws(URIError, function CHECK5() {
     decodeURIComponent('%F4%90%80%80');
-},'#5: %F4%90%80%80 (out-of-range) should throw URIError');
+},'#5: %F4%90%80%80 (out-of-range) should throw URIError');