formatResult needs to pass name to format

Without this patch the following exception occurs when trying to run FormatAbsAndFactorial:

Exception in thread "main" java.util.MissingFormatArgumentException: Format specifier 'd'
	at java.util.Formatter.format(Formatter.java:2432)
	at java.util.Formatter.format(Formatter.java:2367)
	at java.lang.String.format(String.java:2769)
	at scala.collection.immutable.StringLike$class.format(StringLike.scala:266)
	at scala.collection.immutable.StringOps.format(StringOps.scala:31)
	at fpinscala.gettingstarted.MyModule$.formatResult(GettingStarted.scala:58)
	at fpinscala.gettingstarted.AnonymousFunctions$.main(GettingStarted.scala:82)
	at fpinscala.gettingstarted.AnonymousFunctions.main(GettingStarted.scala)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)