ispc/ispc — pull request #767 by jbrodman (2014-03-13 21:40:32+00:00)
Title: Fix bugs with exported varyings.

Change up exported varyings implementation (Simpler and shorter!)

Structs in header files now emitted using mangled names that embed vectorlength and variability in struct C++ struct name.
Fix C++ declaration of pointers to arrays.