i/c/encode.h: whitespace cleanup, reformatting, no changes
i/c/encode.h: whitespace cleanup, reformatting, no changes

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

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