5526 One more gcc warning for cmd/power

*** 17,26 ****
--- 17,27 ----
   * information: Portions Copyright [yyyy] [name of copyright owner]
   *
   * CDDL HEADER END
   */
  /*
+  * Copyright 2015 Gary Mills
   * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  #include "pmconfig.h"
*** 1013,1023 ****
          if (strncmp(arg, "/dev/zvol/dsk/", 14)) {
                  return (0);
          }
          arg += 14;
          (void) strncpy(pool_name, arg, MAXPATHLEN);
!         if (p = strchr(pool_name, '/'))
                  *p = '\0';
          STRCPYLIM(new_cc.cf_fs, p + 1, "statefile path");
  
          if ((lzfs = libzfs_init()) == NULL) {
                  mesg(MERR, "failed to initialize ZFS library\n");
--- 1014,1024 ----
          if (strncmp(arg, "/dev/zvol/dsk/", 14)) {
                  return (0);
          }
          arg += 14;
          (void) strncpy(pool_name, arg, MAXPATHLEN);
!         if ((p = strchr(pool_name, '/')) != NULL)
                  *p = '\0';
          STRCPYLIM(new_cc.cf_fs, p + 1, "statefile path");
  
          if ((lzfs = libzfs_init()) == NULL) {
                  mesg(MERR, "failed to initialize ZFS library\n");