Unit tests including ".c" file

[jphickey]

The CF unit tests are using #include to wrap a .c file. For example:

CF/unit-test/cf_crc_tests.c

Line 3 in ba10b0b

#include "cf_crc.c"

This practice was determined to violate GSFC coding standards.

It is likely done this way such that the test can access "static" items in the source file. The preferred way is to simply declare the item in a header file so that unit test can access it more conventionally.