Minor, break the line in "kotlinc -help" if it's too long

To improve description of the "pluginOptions" flag

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/CommonCompilerArguments.java

@@ -52,7 +52,7 @@ public abstract class CommonCompilerArguments {
     @ValueDescription("<path>")
     public String[] pluginClasspaths;
 
-    @Argument(value = "P", description = "\n                             Pass an option to a plugin")
+    @Argument(value = "P", description = "Pass an option to a plugin")
     @ValueDescription(PLUGIN_OPTION_FORMAT)
     public String[] pluginOptions;