Added init keyword to testdata

compiler/testData/codegen/boxWithStdlib/callableReference/function/local/constructorWithInitializer.kt

@@ -1,7 +1,7 @@
 fun box(): String {
     class A {
         var result: String = "Fail";
-        {
+        init {
             result = "OK"
         }
     }

compiler/testData/codegen/boxWithStdlib/reflection/enclosing/lambdaInLocalClassConstructor.kt

@@ -4,7 +4,7 @@ fun box(): String {
     class L : C() {
         val a: Any
 
-        {
+        init {
             a = {}
         }
     }

compiler/testData/codegen/boxWithStdlib/reflection/enclosing/lambdaInObjectExpression.kt

@@ -6,7 +6,7 @@ fun box(): String {
     val l = object : C {
         override val a: Any
 
-        {
+        init {
             a = {}
         }
     }

compiler/testData/codegen/boxWithStdlib/synthetic/syntheticAccessorNames.kt

@@ -15,7 +15,7 @@ class PrivatePropertyGet {
 class PrivatePropertySet {
     private var x = "a"
 
-    inner class Inner { { x = "b" } }
+    inner class Inner { init { x = "b" } }
 }
 
 class PrivateMethod {