Avoid defining NULL; can cause duplicate definition errors.

From-SVN: r5771

diff --git a/gcc/bi-reverse.c b/gcc/bi-reverse.c
index c49b271c1d17e4b77fbf0ce1d22be6e4440e4469..04d669ed8e30c78cdc6a81999fee75db27bf43b5 100644 (file)
--- a/gcc/bi-reverse.c
+++ b/gcc/bi-reverse.c
@@ -21,8 +21,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "hconfig.h"
 #include "bi-defs.h"
 
-#define NULL 0
-
 void
 reverse()
 {
@@ -35,19 +33,19 @@ reverse()
       vp = dp->variations;
       if (vp)
        {
-         for (v = vp->next, vp->next = NULL; v; vp = v, v = vn)
+         for (v = vp->next, vp->next = 0; v; vp = v, v = vn)
            {
              vn = v->next;
              v->next = vp;
            }
          dp->variations = vp;
        }
-      for (d = dp->next, dp->next = NULL; d; dp = d, d = dn)
+      for (d = dp->next, dp->next = 0; d; dp = d, d = dn)
        {
          vp = d->variations;
          if (vp)
            {
-             for (v = vp->next, vp->next = NULL; v; vp = v, v = vn)
+             for (v = vp->next, vp->next = 0; v; vp = v, v = vn)
                {
                  vn = v->next;
                  v->next = vp;