[analyzer] Update SATestBuild.py to handle spaces in paths.
[analyzer] Update SATestBuild.py to handle spaces in paths.

The Jenkins workspace on the new Green Dragon builder for the static analyzer has spaces
in its path.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@258493 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang