updated for version 7.3.216

Problem:    When recovering a file a range of lines is missing. (Charles Jie)
Solution:   Reset the index when advancing to the next pointer block.  Add a
            test to verify recovery works.

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    216,
 /**/
     215,
 /**/