Fix minor compilation issues that can trigger on some platforms (e.g. CentOS)

TEST=none
BUG=none
Review URL: http://codereview.chromium.org/204012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@26175 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 2 insertions, 2 deletions

diff --git a/sandbox/linux/seccomp/sandbox.cc b/sandbox/linux/seccomp/sandbox.cc
index d6497a1..ddbed3b 100644
--- a/sandbox/linux/seccomp/sandbox.cc
+++ b/sandbox/linux/seccomp/sandbox.cc
@@ -336,7 +336,7 @@ void (*Sandbox::segv())(int signo) {
 void Sandbox::snapshotMemoryMappings(int processFd) {
   SysCalls sys;
   int mapsFd = sys.open("/proc/self/maps", O_RDONLY, 0);
-  if (mapsFd < 0 || !sendFd(processFd, mapsFd, -1, NULL, NULL)) {
+  if (mapsFd < 0 || !sendFd(processFd, mapsFd, -1, NULL, 0)) {
  failure:
     die("Cannot access /proc/self/maps");
   }
diff --git a/sandbox/linux/seccomp/trusted_thread.cc b/sandbox/linux/seccomp/trusted_thread.cc
index 985d053..25797cc 100644
--- a/sandbox/linux/seccomp/trusted_thread.cc
+++ b/sandbox/linux/seccomp/trusted_thread.cc
@@ -590,7 +590,7 @@ void Sandbox::createTrustedThread(int processFdPub, int cloneFdPub,
 #elif defined(__i386__)
   struct user_desc u;
   u.entry_number    = (typeof u.entry_number)-1;
-  u.base_addr       = NULL;
+  u.base_addr       = 0;
   u.limit           = 0xfffff;
   u.seg_32bit       = 1;
   u.contents        = 0;