Log Message:
-----------
Add an implicit rule %.c -> %.i for running the C preprocessor.
I occasionally use this for debugging, and it seems wasteful to have to
reinvent this all the time.
Modified Files:
--------------
pgsql/src:
Makefile.global.in (r1.252 -> r1.253)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/Makefile.global.in?r1=1.252&r2=1.253)