PR libgcj/25265: Throw NoSuchMethodError for missing methods

[Andrew Haley]

Andrew Haley writes:
 > This adds a new method to every class that is invoked when we try to
 > invoke a nonexistent method.  I've made it package private, which I
 > think is right: opinions welcomed.

Rewrite:

"This patch adds a new method to every class.  This method is invoked
when we try to invoke a nonexistent method."

Andrew.