package: replace apk_dep_snprintf with PKG_DEP_PRINTF
This avoids buffer constrains when printing dependencies.
Also fixes a null pointer dereference in apk_dep_snprintf
by removing it.
apk -s add "a><$(printf %254s | tr ' ' '1')"
apk -s add "$(printf %255s | tr ' ' 'a')=1"
Edited by Sertonix