use consistent style for for loop in unmap(), no functional change

diff --git a/lib/libc/stdlib/malloc.c b/lib/libc/stdlib/malloc.c
index ebe032a..346fa55 100644 (file)
--- a/lib/libc/stdlib/malloc.c
+++ b/lib/libc/stdlib/malloc.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: malloc.c,v 1.244 2018/01/30 17:46:41 otto Exp $       */
+/*     $OpenBSD: malloc.c,v 1.245 2018/02/07 18:58:30 otto Exp $       */
 /*
  * Copyright (c) 2008, 2010, 2011, 2016 Otto Moerbeek <otto@drijf.net>
  * Copyright (c) 2012 Matthew Dempsky <matthew@openbsd.org>
@@ -662,8 +662,7 @@ unmap(struct dir_info *d, void *p, size_t sz, size_t clear, int junk)
        mask = mopts.malloc_cache - 1;
        if (psz > rsz) {
                size_t tounmap = psz - rsz;
-               i = 0;
-               for (;;) {
+               for (i = 0; ; i++) {
                        r = &d->free_regions[(i + offset) & mask];
                        if (r->p != NULL) {
                                rsz = r->size << MALLOC_PAGESHIFT;
@@ -681,7 +680,6 @@ unmap(struct dir_info *d, void *p, size_t sz, size_t clear, int junk)
                                        break;
                                }
                        }
-                       i++;
                }
        }
        for (i = 0; ; i++) {