Cosmetic cleanups
Don't call 'delete_elements' on copy_funcs as this causes elements to be freed twice


mysys/hash.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/list.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/mf_iocache.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/mf_keycache.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
  Changed debug messages to be more consistent with other mysys files.
mysys/mf_keycaches.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/my_alloc.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/my_fopen.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/my_fstream.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/my_getwd.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/my_lib.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/my_lwrite.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/my_malloc.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/my_pread.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/my_read.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/my_realloc.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/my_write.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/safemalloc.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/thr_alarm.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/thr_lock.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/thr_mutex.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/tree.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
mysys/typelib.c:
  Changed %lx -> 0x%lx (for easier comparison of debug files)
sql/examples/ha_archive.cc:
  Changed to return error number for some functions (instead of -1)
  Updated function comments & some other minor cleanups
  Ensure that free_share() and gzclose() are always called
  Use 'TRUE' and 'FALSE' instead of 'true' and 'false'
  Removed some compiler warnings
sql/examples/ha_archive.h:
  Fixed to use new prototypes for records_in_range
sql/sql_select.cc:
  Don't call 'delete_elements' on copy_funcs