sysemu: avoid proliferation of include/ subdirectories

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/monitor.c b/monitor.c
index e605822..2909ca1 100644
--- a/monitor.c
+++ b/monitor.c
@@ -33,7 +33,7 @@
 #include "exec/gdbstub.h"
 #include "net/net.h"
 #include "net/slirp.h"
-#include "char/char.h"
+#include "sysemu/char.h"
 #include "ui/qemu-spice.h"
 #include "sysemu/sysemu.h"
 #include "monitor/monitor.h"