Replace appendln with appendLine in project

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/PlatformIncompatibilityDiagnosticRenderer.kt

@@ -64,11 +64,11 @@ class IncompatibleExpectedActualClassScopesRenderer(
 
 open class MultiplatformDiagnosticRenderingMode {
     open fun newLine(sb: StringBuilder) {
-        sb.appendln()
+        sb.appendLine()
     }
 
     open fun renderList(sb: StringBuilder, elements: List<() -> Unit>) {
-        sb.appendln()
+        sb.appendLine()
         for (element in elements) {
             element()
         }
@@ -77,7 +77,7 @@ open class MultiplatformDiagnosticRenderingMode {
     open fun renderDescriptor(sb: StringBuilder, descriptor: DeclarationDescriptor, context: RenderingContext, indent: String) {
         sb.append(indent)
         sb.append(INDENTATION_UNIT)
-        sb.appendln(Renderers.COMPACT_WITH_MODIFIERS.render(descriptor, context))
+        sb.appendLine(Renderers.COMPACT_WITH_MODIFIERS.render(descriptor, context))
     }
 }
 

compiler/frontend/src/org/jetbrains/kotlin/util/exceptionUtil.kt

@@ -14,12 +14,12 @@ fun getExceptionMessage(
     location: String?
 ): String = ApplicationManager.getApplication().runReadAction<String> {
     buildString {
-        append(subsystemName).append(" Internal error: ").appendln(message)
+        append(subsystemName).append(" Internal error: ").appendLine(message)
 
         if (location != null) {
-            append("File being compiled: ").appendln(location)
+            append("File being compiled: ").appendLine(location)
         } else {
-            appendln("File is unknown")
+            appendLine("File is unknown")
         }
 
         if (cause != null) {