Thread: pgsql-server: Rename AC_PROG_LD* macros to PGAC_PROG_LD*.

Log Message:
-----------
Rename AC_PROG_LD* macros to PGAC_PROG_LD*.  This avoids clashes with the
macros provided by the real libtool, when other packages borrow some macros
from PostgreSQL, as in the case of the ODBC driver.

Modified Files:
--------------
    pgsql-server:
        configure.in (r1.367 -> r1.368)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/configure.in.diff?r1=1.367&r2=1.368)
    pgsql-server/config:
        libtool.m4 (r1.4 -> r1.5)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/config/libtool.m4.diff?r1=1.4&r2=1.5)