Reduce the number of items in the mget for regression_bug_434843 to 1024
Reduce the number of items in the mget for regression_bug_434843 to 1024

A higher number caused deadlock on MacOSX and Solaris 10. For a higher number
of items you should use the upcomming mget_execute interface.
mckelvin/libmemcached,mckelvin/libmemcached,tony2001/libmemcached,tony2001/libmemcached,mckelvin/libmemcached,tony2001/libmemcached