[hackers] [sbase] Use the EARGF()-macro in cut.c || FRIGN

[git]

commit 3946d1fcc91a4d265c5d718c090ce3fa21b646f2
Author: FRIGN <d...@frign.de>
Date:   Thu Jan 22 16:36:07 2015 +0100

    Use the EARGF()-macro in cut.c

diff --git a/cut.c b/cut.c
index 50c2695..0e74ccd 100644
--- a/cut.c
+++ b/cut.c
@@ -159,14 +159,11 @@ main(int argc, char *argv[])
        case 'c':
        case 'f':
                mode = ARGC();
-               m = ARGF();
-               if (!m)
-                       usage();
+               m = EARGF(usage());
                parselist(m);
                break;
        case 'd':
-               if(!(d = ARGF()))
-                       usage();
+               d = EARGF(usage());
                for (i = 1; i <= strlen(d); i++)
                        if (fullrune(d, i))
                                break;