Remove trailing / for HOST_TOOLCHAIN_FOR_CLANG

The darwin version doesn't have a trailing slash. The common case is to
append a path to it:

  $(HOST_TOOLCHAIN_FOR_CLANG)/lib/...

Which means we end up with two slashes.

Change-Id: I74e88924ecfd092c5f7871e188ede0aab29cf65b
2 files changed