misc: move include files to include/qemu/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/migration-unix.c b/migration-unix.c
index 9debc95..d5f9868 100644
--- a/migration-unix.c
+++ b/migration-unix.c
@@ -14,7 +14,7 @@
  */
 
 #include "qemu-common.h"
-#include "qemu_socket.h"
+#include "qemu/sockets.h"
 #include "migration/migration.h"
 #include "buffered_file.h"
 #include "block/block.h"