pgsql: Increment all major version numbers in 8.0.X to force recompile

Log Message:
-----------
Increment all major version numbers in 8.0.X to force recompile of
client aplications so 7.4.X releases can be installed on the same
machine as 8.0.X.

Tags:
----
REL8_0_STABLE

Modified Files:
--------------
    pgsql/src/interfaces/ecpg/compatlib:
        Makefile (r1.18 -> r1.18.4.1)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/compatlib/Makefile.diff?r1=1.18&r2=1.18.4.1)
    pgsql/src/interfaces/ecpg/ecpglib:
        Makefile (r1.29.4.1 -> r1.29.4.2)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/Makefile.diff?r1=1.29.4.1&r2=1.29.4.2)
    pgsql/src/interfaces/ecpg/pgtypeslib:
        Makefile (r1.23 -> r1.23.4.1)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/pgtypeslib/Makefile.diff?r1=1.23&r2=1.23.4.1)
    pgsql/src/interfaces/ecpg/preproc:
        Makefile (r1.110.4.1 -> r1.110.4.2)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/Makefile.diff?r1=1.110.4.1&r2=1.110.4.2)
    pgsql/src/interfaces/libpq:
        Makefile (r1.126.4.1 -> r1.126.4.2)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/Makefile.diff?r1=1.126.4.1&r2=1.126.4.2)