Added missing header comments.

src/util/array.h

@@ -113,5 +113,5 @@ int32_t arrayFindString(char **array, int32_t arrayLength, char *value);
  * @param count Count of items after start to use. Use -1 to take the remaining.
  */
 void arrayRewind(size_t size, void *source, int32_t length, int32_t start,
-  int32_t end
+  int32_t count
 );