Move to LCG78root6

git-svn-id: file:///git/lcgcool.svndb/cool/tags/COOL_3_0-patches@19484 4525493e-7705-40b1-a816-d608a930855b

cmt/project.cmt

@@ -5,7 +5,7 @@ setup_strategy no_root no_config
 
 # Use the configuration from one of the last installed releases
 # (default CMTPROJECTPATH is /afs/cern.ch/sw/lcg/app/releases).
-use LCGCMT LCGCMT_77root6
+use LCGCMT LCGCMT_78root6
 
 # Change the above tag to use the configuration from one of the nightly slots
 # (nightly CMTPROJECTPATH is /afs/cern.ch/sw/lcg/app/nightlies/<slot>/<day>).