Bug#903822: Package(s) broken by CLANG_RESOURCE_DIR change

[Graham Inggs]

Control: clone -1 -2
Control: reassign -2 src:llvm-toolchain-6.0 1:6.0.1-1
Control: retitle -2 resource directory changes with minor upstream release
Control: severity -2 important

Cloning and re-assigning so we can fix this for future releases.