Update pgindent instructions.

src/tools/pgindent/README

-$PostgreSQL: pgsql/src/tools/pgindent/README,v 1.32 2010/02/26 01:40:15 momjian Exp $
+$PostgreSQL: pgsql/src/tools/pgindent/README,v 1.33 2010/02/26 02:11:52 momjian Exp $
 
 pgindent
 ========
 
 This can format all PostgreSQL *.c and *.h files, but excludes *.y, and
-*.l files.  For source code typedefs, download:
+*.l files. 
+
+1) Download the typedef file from the builfarm:
 
 	http://www.pgbuildfarm.org/cgi-bin/typedefs.pl
 
-1) Run 'gmake distclean' from the top of the source tree to remove any
-   derived C files.
+2) Download a fresh CVS checkout
 
-2) From the top of the source tree, run:
+3) From the top of the source tree, run:
 
 	find . -name '*.[ch]' -type f -print |
 	egrep -v '/s_lock.h|/ecpg/test/expected/|/snowball/libstemmer/' |
 	xargs -n100 pgindent /tmp/typedefs.pl
 
-3) pgindent cannot process the YY_INPUT macro generated by flex, so remove
-   the generate C files so they are rebuilt:
+4) Remove any files that generate errors.
 
-	rm -f $(find . -type f -name '*.l' -print | sed 's/l$/c/')
+5) Do a full test build.
 
 
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