various: use fopen wrapper for cloexec handling

audio/out/ao_pcm.c

@@ -34,6 +34,7 @@
 #include "internal.h"
 #include "common/msg.h"
 #include "osdep/endian.h"
+#include "osdep/io.h"
 
 #ifdef _WIN32
 // for GetFileType to detect pipes

osdep/path-unix.c

@@ -19,6 +19,7 @@
 
 #include "misc/bstr.h"
 #include "options/path.h"
+#include "osdep/io.h"
 #include "osdep/threads.h"
 #include "path.h"
 

stream/stream_bluray.c

@@ -45,6 +45,7 @@
 #include "options/options.h"
 #include "options/path.h"
 #include "stream.h"
+#include "osdep/io.h"
 #include "osdep/timer.h"
 #include "sub/osd.h"
 #include "sub/img_convert.h"

stream/stream_dvb.c

@@ -53,6 +53,7 @@
 #include "options/m_option.h"
 #include "options/options.h"
 #include "options/path.h"
+#include "osdep/io.h"
 #include "osdep/poll_wrapper.h"
 #include "osdep/threads.h"
 

test/test_utils.c

@@ -3,6 +3,7 @@
 #include "common/msg.h"
 #include "options/m_option.h"
 #include "options/path.h"
+#include "osdep/io.h"
 #include "osdep/subprocess.h"
 #include "osdep/terminal.h"
 #include "test_utils.h"