csh(1): zap redundant assignment

[Anton Lindqvist]

Comments? OK?

Index: lex.c
===================================================================
RCS file: /cvs/src/bin/csh/lex.c,v
retrieving revision 1.24
diff -u -p -r1.24 lex.c
--- lex.c       23 Jan 2017 04:53:15 -0000      1.24
+++ lex.c       30 Aug 2017 07:09:50 -0000
@@ -1426,7 +1426,6 @@ again:
        off = (int) feobp % BUFSIZ;
        roomleft = BUFSIZ - off;
 
-       roomleft = BUFSIZ - off;
        for (;;) {
            if (filec && intty) {
                c = numleft ? numleft : tenex(ttyline, BUFSIZ);