hwloc: v1.9.1 released, doing 1.9.2rc1 now

Signed-off-by: Jeff Squyres <jsquyres@cisco.com>

opal/mca/hwloc/hwloc191/hwloc/VERSION

@@ -13,7 +13,7 @@ snapshot_version=gitclone
 
 major=1
 minor=9
-release=1
+release=2
 
 # greek is used for alpha or beta release tags.  If it is non-empty,
 # it will be appended to the version number.  It does not have to be