Revert "Removed unnecesary dependencies from ROOT's object files."
Revert "Removed unnecesary dependencies from ROOT's object files."

This reverts commit c858e72804ab703c88b15504a8590cb902f584ec. This
commit broke the nightly builds as it suddenly couldn't find
VecCore headers anymore.

karies/root,karies/root,root-mirror/root,root-mirror/root,olifre/root,karies/root,olifre/root,olifre/root,zzxuanyuan/root,root-mirror/root,zzxuanyuan/root,zzxuanyuan/root,root-mirror/root,karies/root,olifre/root,zzxuanyuan/root,zzxuanyuan/root,olifre/root,root-mirror/root,karies/root,zzxuanyuan/root,olifre/root,root-mirror/root,zzxuanyuan/root,root-mirror/root,zzxuanyuan/root,karies/root,root-mirror/root,karies/root,olifre/root,olifre/root,zzxuanyuan/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,olifre/root,olifre/root,karies/root,root-mirror/root,karies/root,karies/root,zzxuanyuan/root,zzxuanyuan/root,zzxuanyuan/root