Bug 753046 - Apply libc++ fixes after OS_BSD changes. r=cjones

dom/plugins/ipc/PluginModuleChild.cpp

@@ -5,6 +5,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #ifdef MOZ_WIDGET_QT
+#include <unistd.h> // for _exit()
 #include <QtCore/QTimer>
 #include "nsQAppInstance.h"
 #include "NestedLoopTimer.h"

ipc/chromium/src/chrome/common/ipc_channel_posix.cc

@@ -7,6 +7,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stddef.h>
+#include <unistd.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/stat.h>