Bug 714315 - Use DirReaderFallback on OpenBSD, where __NR_getdents64 doesn't exist. r=cjones

ipc/chromium/src/base/dir_reader_posix.h

@@ -18,7 +18,7 @@
 // seems worse than falling back to enumerating all file descriptors so we will
 // probably never implement this on the Mac.
 
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) && !defined(OS_OPENBSD)
 #include "base/dir_reader_linux.h"
 #else
 #include "base/dir_reader_fallback.h"
@@ -26,7 +26,7 @@
 
 namespace base {
 
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) && !defined(OS_OPENBSD)
 typedef DirReaderLinux DirReaderPosix;
 #else
 typedef DirReaderFallback DirReaderPosix;