[M] Change in libosmocore[master]: utils: fix OSMO_STRBUF_REMAIN to handle sb.pos == NULL correctly

Attention is currently required from: fixeria, neels.

laforge has posted comments on this change. ( https://gerrit.osmocom.org/c/libosmocore/+/35312?usp=email )

Change subject: utils: fix OSMO_STRBUF_REMAIN to handle sb.pos == NULL correctly ......................................................................

Patch Set 1:

(1 comment)

File include/osmocom/core/utils.h:

https://gerrit.osmocom.org/c/libosmocore/+/35312/comment/230870b1_dad5ec7e PS1, Line 284: /*! Get remaining space for characters and terminating nul in the given struct osmo_strbuf.

I'd expect the linker will throw out any unused functions anyway. […]

Note that my comment doesn's take a position on whether or not it should be an inline function. I'm just saying repeat compilation + drop by linker if unneeded is not a problem.