Move -Wint-to-pointer-cast from -Wall to -Wmost to group it with more things.

Addressing feedback on r166039 given by Matt Beaumont-Gay.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166118 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed