Fix for #1408.
Fix for #1408.

The additional validation performed by the fsc ant task was unnecessary
(validation is performed by the actual fsc anyway). In adddition, it was
rejecting valid arguments.


jvican/scala,martijnhoekstra/scala,slothspot/scala,slothspot/scala,scala/scala,shimib/scala,jvican/scala,lrytz/scala,slothspot/scala,shimib/scala,scala/scala,jvican/scala,felixmulder/scala,lrytz/scala,shimib/scala,jvican/scala,jvican/scala,jvican/scala,scala/scala,jvican/scala,martijnhoekstra/scala,felixmulder/scala,shimib/scala,martijnhoekstra/scala,felixmulder/scala,scala/scala,lrytz/scala,slothspot/scala,martijnhoekstra/scala,felixmulder/scala,felixmulder/scala,slothspot/scala,felixmulder/scala,slothspot/scala,shimib/scala,felixmulder/scala,martijnhoekstra/scala,slothspot/scala,scala/scala,scala/scala,lrytz/scala,lrytz/scala,martijnhoekstra/scala,shimib/scala,lrytz/scala