[ClusterLabs/libqb] 9b50aa: configure: define AS_VAR_COPY (#267)

[Kazunori INOUE]

Branch: refs/heads/master
  Home:   https://github.com/ClusterLabs/libqb
  Commit: 9b50aa4e5b84f495207b3f6185a1d6cb68af3f6d
      https://github.com/ClusterLabs/libqb/commit/9b50aa4e5b84f495207b3f6185a1d6cb...
  Author: Kazunori INOUE 
  Date:   2017-09-18 (Mon, 18 Sep 2017)

Changed paths:
    A m4/ax_compat.m4

Log Message:
  -----------
  configure: define AS_VAR_COPY (#267)