Whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195237 91177308-0d34-0410-b5e6-96231b3b80d8
X86ISelLowering.cpp: Mark a variable VT as LLVM_ATTRIBUTE_UNUSED. [-Wunused-variable]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195238 91177308-0d34-0410-b5e6-96231b3b80d8