Patch up the texinfo file and add @dircategory and @direntry.

svn path=/head/; revision=6961

shells/bash1/files/patch-ag

@@ -0,0 +1,13 @@
+--- documentation/features.texi.orig	Fri Aug  5 04:26:21 1994
++++ documentation/features.texi	Mon Jun 16 19:16:56 1997
+@@ -2,6 +2,10 @@
+ @c %**start of header
+ @setfilename features.info
+ @settitle Bash Features
++@dircategory Shells
++@direntry
++* Bash: (bash).                 GNU Bourne-Again SHell.
++@end direntry
+ @c %**end of header
+ 
+ @ignore