NEX-13218 Segfault in sun_fc library
Reviewed by: Rick McNeal <rick.mcneal@nexenta.com>
Reviewed by: Evan Layton <evan.layton@nexenta.com>

*** 821,830 ****
--- 821,833 ----
              memcpy(userMappings->entry[i].LUID.buffer,
                      mappings->entries[i].guid,
                      sizeof (userMappings->entry[i].LUID.buffer));
          }
  
+         if (!zeroLength) {
+             i -= 1;
+         }
          log.debug("Total mappings: %d %08x %08x",
              mappings->numLuns, mappings->entries[i].osLUN, mappings->entries[i].samLUN);
  
          // If everything is good, convert paths to sym-links
          if (mappings->numLuns > 0 && !zeroLength) {