xcb_ext.c: get rid of global lock in get_lazyreply
Submitted by Ian Osgood @iano
Assigned to Jamey Sharp @jamey
Description
There is a global lock that must be acquired any time an extension request is used, which protects a clause which only needs protection at the initialization of the extension in a process. We should come up with a lockless design for this logic.
Version: 1.0