Updated for the 1.6.7.2 RC1 build.

lustre/autoconf/lustre-version.ac

 m4_define([LUSTRE_MAJOR],[1])
 m4_define([LUSTRE_MINOR],[6])
 m4_define([LUSTRE_PATCH],[7])
-m4_define([LUSTRE_FIX],[1])
+m4_define([LUSTRE_FIX],[2])
 # Note: we're starting prerelease versions at 50 this time.
 
 dnl # don't forget to update the service tags info