Get separate compilation tests to work in parallel.
Get separate compilation tests to work in parallel.

test/separate_compilation/jturner/PRECOMP:
	Have to use the explicit path to the compiler ($3), because
    "chpl" isn't automatically defined where sub_test is running.


git-svn-id: 88467cb1fb04b8a755be7e1ee1026be4190196ef@18990 3a8e244f-b0f2-452b-bcba-4c88e055c3ca

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