Variablen 'in' umbenannt.

'in' ist zukuenftig ein reserviertes Schluesselwort
im Driver.

Change-Id: Ifffd8c6f7a4f64e5b9f2b22ff6a04547ca58cf6e
diff --git a/std/util/input.c b/std/util/input.c
index 1e1a6f5..32e909f 100644
--- a/std/util/input.c
+++ b/std/util/input.c
@@ -21,10 +21,10 @@
   input_to("done", INPUT_PROMPT, prompttext, prompt, pargs, ctrl, ctrlargs);
 }
 
-void done(string in, mixed prompt, mixed pargs, mixed ctrl, mixed ctrlargs)
+void done(string input, mixed prompt, mixed pargs, mixed ctrl, mixed ctrlargs)
 {
   if(closurep(ctrl) &&
-     apply(ctrl, ({ in }) + (pointerp(ctrlargs) ? ctrlargs : ({})))) 
+     apply(ctrl, ({ input }) + (pointerp(ctrlargs) ? ctrlargs : ({})))) 
     return;
   input(prompt, pargs, ctrl, ctrlargs);
 }