Fixing #3460:

* resolved a couple of redundant function declaration in our public headers
* adjusted zipomatic accordingly - everything else built fine

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31938 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/posix/stdlib.h

@@ -60,7 +60,6 @@ extern void		exit(int);
 /* misc functions */
 extern char		*realpath(const char *path, char *resolved);
 
-extern int		daemon(int nochdir, int noclose);
 extern int		system(const char *command);
 
 extern char		*mktemp(char *name);