J2K: all annotations should be with "@"

j2k/testData/fileOrElement/overloads/Simple.kt

@@ -1,9 +1,9 @@
 internal class A {
-    JvmOverloads internal fun foo(i: Int, c: Char = 'a', s: String = "") {
+    @JvmOverloads internal fun foo(i: Int, c: Char = 'a', s: String = "") {
         println("foo" + i + c + s)
     }
 
-    JvmOverloads internal fun bar(s: String? = null): Int {
+    @JvmOverloads internal fun bar(s: String? = null): Int {
         println("s = " + s!!)
         return 0
     }