[Support] Add newline when dumping an APInt.

This annoyed me a few times but was lazy so I haven't fixed it
until today, when the output of my debugger was too confusing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293691 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed