"Implicit function error" build failure(s) — clang 3.2

PackageVersionSupposed error messageFull log Bug report
libedit 2.11-20080614-5./el.c:504:7: error: implicit declaration of function 'strlcpy' is invalid in C99 [-Werror,-Wimplicit-function-declaration] Log
switchsh 0~20070801-3switchsh.c:97:9: error: implicit declaration of function 'unshare' is invalid in C99 [-Werror,-Wimplicit-function-declaration] Log

2 errors