Fix multiple inclusion by "import" when relative paths to modules are specified. Changes so that in the direcotry specified case it fully normalizes the path to be absolute.

[SVN r20354]

tools/build

@@ -1 +1 @@
-Subproject commit d92777a940933dd2e479b493a9089fc0489f1d81
+Subproject commit 9a75d3bb35e3fac9377fc3eaae73494bbae47e1c