Some unit test warnings addressed. (#515)

* Removed purple warnings from unit test compilation.

* "Fixed const corectness bug. Added more warning fixes."

* Fixed warning issue.

* Removed null checking and (char*) casting.

* Changed sizeof parameter to variable from data structure.

test/SIM_rti/ClassOfEverything.hh

@@ -55,8 +55,8 @@ class ClassOfEverything {
    float * fap[4] ;   /* kg blah */
    float ** fpp ;     /* kg blah */
 
-   float  f_rad ; /* r float test value */
-   double d_deg ; /* d blah */
+   float  f_rad ; /* rad float test value */
+   double d_deg ; /* degree blah */
 
    char c ;            /* -- blah */
    char ca[20] ;       /* -- blah */

test/SIM_test_dp/models/dp/include/dp.h

@@ -16,8 +16,8 @@ typedef struct {
    float           f[3] ;   /*  m/s2 -- */
    double          d[3] ;   /*  kg*m/s2 -- */
    unsigned short us[3] ;   /*  N -- */
-   unsigned int   ui[3] ;   /*  cnt -- */
-   unsigned long  ul[3] ;   /*  v -- */
+   unsigned int   ui[3] ;   /*  count -- */
+   unsigned long  ul[3] ;   /*  V -- */
    long long      ll[3] ;   /*  K -- */
 
 } STRUCT_1 ;