[Bug-cpio] symlink dereferencing error

[Clint Adams]

Without this, HAVE_LSTAT is never defined, and lstat is defined to stat,
thereby effectively forcing -L on at all times.

--- orig/configure.ac
+++ mod/configure.ac
@@ -92,7 +92,7 @@
   AC_CONFIG_LINKS(src/fnmatch.h:headers/fnmatch.h)
 fi
 
-AC_CHECK_FUNCS(lchown endpwent endgrent)
+AC_CHECK_FUNCS(lchown endpwent endgrent lstat)
 AC_FUNC_VPRINTF
 AC_FUNC_ALLOCA
 AC_CHECK_LIB(nsl, gethostname, [LIBS="$LIBS -lnsl"])