add TODO for utilSafeFree()

include/util.h

@@ -89,6 +89,9 @@ bool utilMatchPrefix(const char* lhs, const char* rhs, int sz);
 #define UTIL_ALLOC(len, type) (type *) utilLogAlloc((len), sizeof(type), __FILE__, __LINE__)
 void* utilLogAlloc(uint item_count, uint type_size, const char* file_name, const int line);
 
+// TODO: replace instances of 'utilSafeFree()' with macro that casts to void
+// 	pointer reference. Can then set the pointer to nullptr in free function
+#define UTIL_FREE(mem_ptr) utilSafeFree((void*&) mem_ptr)
 void utilSafeFree(const void* mem);
 
 //-----------------