HEADS UP : soname bump in libmemcached

[Remi Collet]

libmemcached 0.49, in rawhide, now provides:

	libhashkit.so.1
	libmemcached.so.7
	libmemcachedprotocol.so.0
	libmemcachedutil.so.2

You may also have to check new syntax for config, which could affect
some clients:

	http://docs.libmemcached.org/libmemcached_examples.html

Regards,
Remi.