Put msg_context_global_key to the internal header.

It was not exported from libvlc anyhow.

include/vlc_common.h

@@ -1004,14 +1004,6 @@ VLC_EXPORT( const char *, VLC_Changeset, ( void ) );
 #include "main.h"
 #include "vlc_configuration.h"
 
-/** The global thread var for msg stack context
- *  We store this as a static global variable so we don't need a vlc_object_t
- *  everywhere.
- *  This key is created in vlc_threads_init and is therefore ready to use at
- *  the very beginning of the universe */
-extern vlc_threadvar_t msg_context_global_key;
-
-
 #if defined( WIN32 ) || defined( UNDER_CE )
 #   define DIR_SEP_CHAR '\\'
 #   define DIR_SEP "\\"

src/libvlc.h

@@ -59,6 +59,13 @@ VLC_EXPORT( const char * , system_VLCPath, (void));
 int __vlc_threads_init( vlc_object_t * );
 int __vlc_threads_end( vlc_object_t * );
 
+/** The global thread var for msg stack context
+ *  We store this as a static global variable so we don't need a vlc_object_t
+ *  everywhere.
+ *  This key is created in vlc_threads_init and is therefore ready to use at
+ *  the very beginning of the universe */
+extern vlc_threadvar_t msg_context_global_key;
+
 /*
  * CPU capabilities
  */

src/misc/messages.c

@@ -53,6 +53,7 @@
 #include <assert.h>
 
 #include <vlc_charset.h>
+#include "../libvlc.h"
 
 /*****************************************************************************
  * Local macros