update build script for compact fld branch.

build/buildcvs

@@ -279,7 +279,7 @@ case "$lustretag" in
 
     # Branches that have been updated to include
     # the libcfs split should be added here
-    HEAD|b_head_quota)
+    HEAD|b_head_quota|b_hd_comp_fld)
         lnettag="HEAD"
         ldiskfstag="$ldiskfstag_head"
         libcfstag="HEAD"