More O_CLOEXEC

Change-Id: I31991ed089f395174857e86e509b8190ad98f92a
diff --git a/ProcessState.cpp b/ProcessState.cpp
index 821ab6c..33fe26c 100644
--- a/ProcessState.cpp
+++ b/ProcessState.cpp
@@ -310,9 +310,8 @@
 
 static int open_driver()
 {
-    int fd = open("/dev/binder", O_RDWR);
+    int fd = open("/dev/binder", O_RDWR | O_CLOEXEC);
     if (fd >= 0) {
-        fcntl(fd, F_SETFD, FD_CLOEXEC);
         int vers = 0;
         status_t result = ioctl(fd, BINDER_VERSION, &vers);
         if (result == -1) {