val: introduce VAL_ALLOC_SYM_CSTR helper
val: introduce VAL_ALLOC_SYM_CSTR helper

Instead of making the callers deal with char * -> struct str conversion only
to pass it into VAL_ALLOC_SYM(), introduce a helper that does it all.

Signed-off-by: Josef 'Jeff' Sipek <a620f141433c70aa9e43778305a6c68cbfadfb25@josefsipek.net>

jeffpc/blahgd,jeffpc/blahgd