* io.c (rb_io_each_byte): remove unused variable e.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32766 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sun Jul 31 01:29:08 2011  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* io.c (rb_io_each_byte): remove unused variable e.
+
 Sat Jul 31 01:23:45 2011  Kenta Murata  <mrkn@mrkn.jp>
 
 	* test/bigdecimal/test_bigdecimal.rb (test_version): removed.

io.c

@@ -2823,15 +2823,14 @@ static VALUE
 rb_io_each_byte(VALUE io)
 {
     rb_io_t *fptr;
-    char *p, *e;
 
     RETURN_ENUMERATOR(io, 0, 0);
     GetOpenFile(io, fptr);
 
     for (;;) {
 	while (fptr->rbuf.len > 0) {
-	    p = fptr->rbuf.ptr + fptr->rbuf.off++;
-	    e = p + fptr->rbuf.len--;
+	    char *p = fptr->rbuf.ptr + fptr->rbuf.off++;
+	    fptr->rbuf.len--;
 	    rb_yield(INT2FIX(*p & 0xff));
 	    errno = 0;
 	}