sysemu: avoid proliferation of include/ subdirectories

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/qtest.c b/qtest.c
index b03b68a..3bba3e5 100644
--- a/qtest.c
+++ b/qtest.c
@@ -13,7 +13,7 @@
 
 #include "sysemu/qtest.h"
 #include "hw/qdev.h"
-#include "char/char.h"
+#include "sysemu/char.h"
 #include "exec/ioport.h"
 #include "exec/memory.h"
 #include "hw/irq.h"