Fixed test data for new lambda syntax

compiler/testData/diagnostics/tests/regressions/kt235.kt

@@ -4,32 +4,32 @@ package kt235
 
 fun main(args: Array<String>) {
     val array = MyArray()
-    val <!UNUSED_VARIABLE!>f<!> = { (): String ->
+    val <!UNUSED_VARIABLE!>f<!>: () -> String = {
        <!EXPECTED_TYPE_MISMATCH!>array[2] = 23<!> //error: Type mismatch: inferred type is Int (!!!) but String was expected
     }
-    val <!UNUSED_VARIABLE!>g<!> = {(): String ->
+    val <!UNUSED_VARIABLE!>g<!>: () -> String = {
        var x = 1
        <!EXPECTED_TYPE_MISMATCH!>x += 2<!>  //no error, but it should be here
     }
-    val <!UNUSED_VARIABLE!>h<!> = {(): String ->
+    val <!UNUSED_VARIABLE!>h<!>: () -> String = {
        var <!ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE!>x<!> = 1
        <!EXPECTED_TYPE_MISMATCH!>x = <!UNUSED_VALUE!>2<!><!>  //the same
     }
     val array1 = MyArray1()
-    val <!UNUSED_VARIABLE!>i<!> = { (): String ->
+    val <!UNUSED_VARIABLE!>i<!>: () -> String = {
        <!EXPECTED_TYPE_MISMATCH!>array1[2] = 23<!>
     }
 
-    val <!UNUSED_VARIABLE!>fi<!> = { (): Int ->
-       <!ASSIGNMENT_TYPE_MISMATCH!>array[2] = 23<!>
+    val <!UNUSED_VARIABLE!>fi<!>: () -> String = {
+       <!EXPECTED_TYPE_MISMATCH!>array[2] = 23<!>
     }
-    val <!UNUSED_VARIABLE!>gi<!> = {(): Int ->
+    val <!UNUSED_VARIABLE!>gi<!>: () -> String = {
        var x = 1
-       <!ASSIGNMENT_TYPE_MISMATCH!>x += 21<!>
+       <!EXPECTED_TYPE_MISMATCH!>x += 21<!>
     }
 
     var m: MyNumber = MyNumber()
-    val <!UNUSED_VARIABLE!>a<!> = { (): MyNumber ->
+    val <!UNUSED_VARIABLE!>a<!>: () -> MyNumber = {
         m++
     }
 }