i/c/bits.h: whitespace cleanup, reformating, no changes
i/c/bits.h: whitespace cleanup, reformating, no changes

Just some cleanup like whitespace, punctiation marking and indentation
issues.

authmillenon/libcoap,gebart/libcoap,authmillenon/libcoap,authmillenon/libcoap,gebart/libcoap,gebart/libcoap