Remove USE_THREAD_ASSERT compile option. _xcb_conn_wait can no longer be re-entered, since we have no callback hooks now.
Remove USE_THREAD_ASSERT compile option. _xcb_conn_wait can no longer be re-entered, since we have no callback hooks now.

OpenInkpot-archive/iplinux-libxcb,OpenInkpot-archive/iplinux-libxcb,topcat/xcb-win32,topcat/xcb-win32,stapelberg/libxcb,topcat/xcb-win32,topcat/xcb-win32,stapelberg/libxcb,topcat/xcb-win32,stapelberg/libxcb,OpenInkpot-archive/iplinux-libxcb