makefiles. The OS4 build makefile was missing lrint() and
lrintf(). Ouch.
- execve() now checks if an abort signal arrives while it's trying
to read the first line of a script, or looking for an executable
on an assignment path.
git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15123 87f5fb63-7c3d-0410-a384-fd976d0f7a62