It turns out that DODMALLOC was broken when I reorganized busybox.h
header file usage before the 0.49 release.  To fix it, I had to move
the '#include "busybox.h"' to the end of the list of #include files.
 -Erik
diff --git a/util-linux/mkswap.c b/util-linux/mkswap.c
index 48637e8..b5153f6 100644
--- a/util-linux/mkswap.c
+++ b/util-linux/mkswap.c
@@ -35,7 +35,6 @@
  *
  */
 
-#include "busybox.h"
 #include <stdio.h>
 #include <unistd.h>
 #include <string.h>
@@ -45,6 +44,7 @@
 #include <sys/utsname.h>
 #include <asm/page.h>			/* for PAGE_SIZE and PAGE_SHIFT */
 				/* we also get PAGE_SIZE via getpagesize() */
+#include "busybox.h"
 
 #ifndef _IO
 /* pre-1.3.45 */