sysemu: avoid proliferation of include/ subdirectories

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/vl.c b/vl.c
index ce7bed7..cdadad0 100644
--- a/vl.c
+++ b/vl.c
@@ -126,7 +126,7 @@
 #include "hw/qdev.h"
 #include "hw/loader.h"
 #include "monitor/qdev.h"
-#include "bt/bt.h"
+#include "sysemu/bt.h"
 #include "net/net.h"
 #include "net/slirp.h"
 #include "monitor/monitor.h"
@@ -134,7 +134,7 @@
 #include "sysemu/sysemu.h"
 #include "exec/gdbstub.h"
 #include "qemu/timer.h"
-#include "char/char.h"
+#include "sysemu/char.h"
 #include "qemu/cache-utils.h"
 #include "sysemu/blockdev.h"
 #include "hw/block/block.h"