[fix: user-cmd per]
[fix: user-cmd per]

	issue: bit fields with less than 4 bits where not printed
	reason: dividing the bit-length by 4 (due to hex format) leads to
			length of 0 for nbits < 4
	fix: round up the division result

jnow-87/vimgdb,jnow-87/vimgdb,jnow-87/vimgdb