Moved math include to after common which is where config.h is included. config.h really always needs to be included first.
Moved math include to after common which is where config.h is included. config.h really always needs to be included first.

trondn/libmemcached,trondn/libmemcached,trondn/libmemcached,trondn/libmemcached,trondn/libmemcached