patch lower-case-segops

*** 540,550 ****
                                  /*
                                   * if we can't get a backing vnode for this
                                   * segment then skip it
                                   */
                                  vp = NULL;
!                                 if ((SEGOP_GETVP(seg, seg->s_base, &vp)) ||
                                      (vp == NULL))
                                          continue;
  
                                  /*
                                   * if the target file (fvp) is not a device
--- 540,550 ----
                                  /*
                                   * if we can't get a backing vnode for this
                                   * segment then skip it
                                   */
                                  vp = NULL;
!                                 if ((segop_getvp(seg, seg->s_base, &vp)) ||
                                      (vp == NULL))
                                          continue;
  
                                  /*
                                   * if the target file (fvp) is not a device