WinCE: missing threading functions

include/vlc_threads.h

@@ -356,7 +356,12 @@ typedef CRITICAL_SECTION vlc_spinlock_t;
  */
 static inline int vlc_spin_init (vlc_spinlock_t *spin)
 {
+#ifdef UNDER_CE
+    InitializeCriticalSection(spin);
+    return 0;
+#else
     return !InitializeCriticalSectionAndSpinCount(spin, 4000);
+#endif
 }
 
 /**

src/misc/threads.c

@@ -1061,6 +1061,8 @@ void vlc_control_cancel (int cmd, ...)
 #endif
 #if defined (LIBVLC_USE_PTHREAD)
                 pthread_exit (PTHREAD_CANCELLED);
+#elif defined (UNDER_CE)
+                ExitThread(0);
 #elif defined (WIN32)
                 _endthread ();
 #else