[PATCH, libjava/classpath]: Fix overriding recipe for target 'gjdoc' build warning

[Andrew Haley]

On 08/11/2015 07:54 PM, Jeff Law wrote:
> It's probably time for the occasional discussion WRT dropping 
> gcj/libjava from the default languages and replace them with either Ada 
> or Go.
> 
> gcj/libjava are dead IMHO.

I have no objections.  GCJ has been tremendously useful bootstrapping
the OpenJDK ecosystem, but we no longer need it in order to have free
Java.

Andrew.