misc: fix some compiler warnings

misc: fix some compiler warnings

  libsmartcols/samples/fromfile.c:59:2: warning: passing argument 3 of 'string_to_bitmask' from incompatible pointer type
  text-utils/pg.c:79:0: warning: "TABSIZE" redefined
  libblkid/src/read.c:455:13: warning: 'debug_dump_dev' defined but not used [-Wunused-function]
  libblkid/src/probe.c:769:13: warning: unused function 'cdrom_size_correction' [-Wunused-function]
  /usr/include/sys/termios.h:3:2: warning: "this file includes <sys/termios.h> which is deprecated, use <termios.h> instead" [-W#warnings]

Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>