New -find tests -maxdepth and -mindepth

xorriso/findjob.h

@@ -53,6 +53,8 @@ struct ExprtesT {
   22= -use_pattern char *arg1 ("on" [or "ls"], "off")
   23= -or_use_pattern char *arg1 ("on" [or "ls"], "off")
   24= -name_limit_blocker int *arg1
+  25= -maxdepth int *arg1
+  26= -mindepth int *arg1
  */
  int test_type;
 
@@ -217,6 +219,9 @@ struct FindjoB {
  /* Counts the test matches */
  unsigned long match_count;
 
+ /* Current depth of tree walking. Relative to start path. */
+ int depth;
+
 };