Append newline to EOF for .txt test data files

Reverts and fixes 102f0d3

compiler/testData/resolvedCalls/objectsAndClassObjects/classObject.txt

@@ -15,4 +15,4 @@ Resulting descriptor: val baz: Foo defined in Foo.<class-object-for-Foo>
 
 Explicit receiver kind = DISPATCH_RECEIVER
 Dispatch receiver = Foo {<class-object-for-Foo>}
-Extension receiver = NO_RECEIVER
+Extension receiver = NO_RECEIVER

compiler/testData/resolvedCalls/objectsAndClassObjects/kt5308IntRangeConstant.txt

@@ -10,4 +10,4 @@ Resulting descriptor: val EMPTY: IntRange defined in kotlin.IntRange.<class-obje
 
 Explicit receiver kind = DISPATCH_RECEIVER
 Dispatch receiver = IntRange {<class-object-for-IntRange>}
-Extension receiver = NO_RECEIVER
+Extension receiver = NO_RECEIVER

compiler/testData/resolvedCalls/objectsAndClassObjects/object.txt

@@ -13,4 +13,4 @@ Resulting descriptor: val baz: Int defined in Foo
 
 Explicit receiver kind = DISPATCH_RECEIVER
 Dispatch receiver = Foo {Foo}
-Extension receiver = NO_RECEIVER
+Extension receiver = NO_RECEIVER