[X86] Fix a mistake in the X86ISelDAGToDAG.cpp code for MUL8r/IMUL8r.
[X86] Fix a mistake in the X86ISelDAGToDAG.cpp code for MUL8r/IMUL8r.

I think this code is unreachable due to some promotions that occur elsewhere. I'll look into that to be sure, but for now I thought I should at least fix the obvious typo.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@316840 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/llvm,GPUOpen-Drivers/llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,apple/swift-llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,apple/swift-llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,apple/swift-llvm,llvm-mirror/llvm,apple/swift-llvm,llvm-mirror/llvm,GPUOpen-Drivers/llvm,GPUOpen-Drivers/llvm