misc: move include files to include/qemu/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/backends/rng-random.c b/backends/rng-random.c
index c201953..d479ce8 100644
--- a/backends/rng-random.c
+++ b/backends/rng-random.c
@@ -13,7 +13,7 @@
 #include "qemu/rng-random.h"
 #include "qemu/rng.h"
 #include "qapi/qmp/qerror.h"
-#include "main-loop.h"
+#include "qemu/main-loop.h"
 
 struct RndRandom
 {