OS-1723 DTrace should speak JSON (review fixes)

@@ -133,11 +133,11 @@
         DT_VERS_1_7_1,  /* D API 1.7.1 */
         DT_VERS_1_8,    /* D API 1.8 */
         DT_VERS_1_8_1,  /* D API 1.8.1 */
         DT_VERS_1_9,    /* D API 1.9 */
         DT_VERS_1_10,   /* D API 1.10 */
-        DT_VERS_1_11,   /* D API 1.11 -- json(), strtoll() */
+        DT_VERS_1_11,   /* D API 1.11 */
         0
 };
 
 /*
  * Table of global identifiers.  This is used to populate the global identifier