C++ typo '&' -> `&&` in cp-tree.h

[Jason Merrill]

>>>>> Graham  <grahams@rcp.co.uk> writes:

 > The macro IS_AGGR_TYPE_2 in gcc/cp/cp-tree.h
 > appears have a typo. I think the '&' is a typo
 > and `&&' is what was intended ?

Yes, you're right.  Will fix.

Jason