Fix missing includes of "llvm/Analysis/Passes.h" in the tutorials. Thanks

Fix missing includes of "llvm/Analysis/Passes.h" in the tutorials. Thanks
for Arnaud Allard de Grandmaison for preparing a patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119351 91177308-0d34-0410-b5e6-96231b3b80d8