Don't use exitProcess to indicate a failure in Native library resolver

If Native compiler performs exitProcess, it crashes Gradle daemon that
runs the compiler.

kotlin-native/backend.native/cli.bc/src/org/jetbrains/kotlin/cli/bc/K2Native.kt

@@ -61,7 +61,6 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
         val project = environment.project
         val messageCollector = configuration.get(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY) ?: MessageCollector.NONE
         configuration.put(CLIConfigurationKeys.PHASE_CONFIG, createPhaseConfig(toplevelPhase, arguments, messageCollector))
-        val konanConfig = KonanConfig(project, configuration)
 
         val enoughArguments = arguments.freeArgs.isNotEmpty() || arguments.isUsefulWithoutFreeArgs
         if (!enoughArguments) {
@@ -75,6 +74,7 @@ class K2Native : CLICompiler<K2NativeCompilerArguments>() {
         }
 
         try {
+            val konanConfig = KonanConfig(project, configuration)
             runTopLevelPhases(konanConfig, environment)
         } catch (e: KonanCompilationException) {
             return ExitCode.COMPILATION_ERROR