zfp api change

[olesenm]

Change in zfp 0.5.1 API breaks compilation of ADIOS (when using the external library) Probably need to check against ZFP_VERSION:

#define ZFP_VERSION \
  ((ZFP_VERSION_MAJOR << 8) + \
   (ZFP_VERSION_MINOR << 4) + \
   (ZFP_VERSION_RELEASE << 0))

zfp 0.5.1, March 28, 2017

• Changed API for zfp_set_precision and zfp_set_accuracy to not require the scalar type.