More NULL pointer fixes

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
diff --git a/linux-user/linuxload.c b/linux-user/linuxload.c
index 14c433e..4091bdc 100644
--- a/linux-user/linuxload.c
+++ b/linux-user/linuxload.c
@@ -165,7 +165,7 @@
 
     bprm->p = TARGET_PAGE_SIZE*MAX_ARG_PAGES-sizeof(unsigned int);
     for (i=0 ; i<MAX_ARG_PAGES ; i++)       /* clear page-table */
-            bprm->page[i] = 0;
+            bprm->page[i] = NULL;
     retval = open(filename, O_RDONLY);
     if (retval < 0)
         return retval;