libpqtypes - libpqtypes: Fixed crash bug in events.c during PQreset

Log Message:
-----------
Fixed crash bug in events.c during PQreset handler.  The handlers are zero'd out but the maxcnt (amount allocated) was
notset to zero.  Updated version number for new release 1.4.2 

Modified Files:
--------------
    libpqtypes:
        ChangeLog (r1.50 -> r1.51)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/ChangeLog?r1=1.50&r2=1.51)
        configure.ac (r1.24 -> r1.25)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/configure.ac?r1=1.24&r2=1.25)
    libpqtypes/src:
        events.c (r1.12 -> r1.13)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/src/events.c?r1=1.12&r2=1.13)