Beautify code a little

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/TopDownAnalyzerFacadeForKonan.kt

@@ -57,13 +57,12 @@ object TopDownAnalyzerFacadeForKonan {
             config: KonanConfig
     ): AnalysisResult {
 
-        val verbose = config.configuration.get(KonanConfigKeys.VERBOSE_PHASES)
+        // we print out each file we compile if frontend phase is verbose
-                ?.contains(KonanPhase.FRONTEND.visibleName)
+        files.takeIf {
-                ?: false
+            config.configuration.get(KonanConfigKeys.VERBOSE_PHASES)
-        if (verbose) {
+                    ?.contains(KonanPhase.FRONTEND.visibleName)
-            // we print out each file we compile for now
+                    ?: false
-            files.forEach { println(it) }
+        } ?.forEach(::println)
-        }
 
         val analyzerForKonan = createTopDownAnalyzerForKonan(
                 moduleContext, trace,