OP2/OP2-Common — pull request #43 by wence- (2012-09-18 14:24:51+00:00)
Title: Update Fortran RT wrappers for new OP_dat_list

Now that OP_dat_list is a double-linked list, we can't just index into
it directly. Add a utility function to find an op_dat in the list,
given its index and use that instead.