monitor: move include files to include/monitor/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/qemu-char.c b/qemu-char.c
index bc53d09..16021c5 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -22,7 +22,7 @@
  * THE SOFTWARE.
  */
 #include "qemu-common.h"
-#include "monitor.h"
+#include "monitor/monitor.h"
 #include "ui/console.h"
 #include "sysemu.h"
 #include "qemu-timer.h"