Small typo in extend.texi, patch

[Jeffrey A Law]

  In message < 199801251106.MAA24614@scar.axis.se >you write:
  > Hi.
  > 
  > A simple typo in an example-code snippet in extend.texi has been corrected.
  > It was present in gcc-2.8.0-971225 and egcs-980115.
  > (Spotted by cut-and-paste usage...)
  > 
  > Sun Jan 25 11:39:22 1998  Hans-Peter Nilsson  <hp@axis.se>
  > 
  >         * extend.texi (Type Attributes): Match parentheses in example code.
Thanks.  I've installed this into egcs.
jeff