pgsql: Revert pgindent changes to ecpg include files that are part of

Log Message:
-----------
Revert pgindent changes to ecpg include files that are part of ecpg
regession test output, and update pgindent script to avoid them in the
future.

Modified Files:
--------------
    pgsql/src/interfaces/ecpg/include:
        sqlda.h (r1.7 -> r1.8)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/include/sqlda.h?r1=1.7&r2=1.8)
        sqltypes.h (r1.12 -> r1.13)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/include/sqltypes.h?r1=1.12&r2=1.13)
    pgsql/src/interfaces/ecpg/test/preproc:
        struct.h (r1.2 -> r1.3)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/preproc/struct.h?r1=1.2&r2=1.3)
    pgsql/src/tools/pgindent:
        README (r1.37 -> r1.38)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/tools/pgindent/README?r1=1.37&r2=1.38)