[MC] - ConstantPools.cpp: Style consistency, remove redundant braces. NFC.
[MC] - ConstantPools.cpp: Style consistency, remove redundant braces. NFC.

Remove braces around two, single statement "if" blocks in line with rest 
of the file and the general LLVM code style. NFC, testing commit access.



git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@341294 91177308-0d34-0410-b5e6-96231b3b80d8

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