Fix modules build for r374337
Fix modules build for r374337

A modules build failed with the following error:
  call to function 'operator&' that is neither visible in the template definition nor found by argument-dependent lookup

Fix that by declaring the appropriate operators in the llvm::minidump
namespace.

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@374517 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm