Log Message:
Update to 0.3.4, add missing gperf build dependency.

Changes for 0.3.4:
Julien Danjou (11):
      add a useful common header with common function/define
      event: add functions to convert event/errors to labels
      wm: remove
      icccm: add xcb_get_wm_class_from_reply()
      keysyms: fix xcb_key_symbols_get_keycode() API
      keysyms: bump version
      event: simplify proto
      event: add error values
      event: add define to get request and error types
      bump version to 0.3.4
      include xcb-util-common.h in dist tarball