added another test case, function calls with a function call as a parameter.
added another test case, function calls with a function call as a parameter.

Signed-off-by: Jason Harris <a50f527e9327a5bdfe3a57b2bbe5a0cc4ed4da02@gmail.com>

mattsnowboard/msu-compilers-tinyc,mattsnowboard/msu-compilers-tinyc,mattsnowboard/msu-compilers-tinyc