exec: move include files to include/exec/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/xen-all.c b/xen-all.c
index e3a51cc..95d383f 100644
--- a/xen-all.c
+++ b/xen-all.c
@@ -19,7 +19,7 @@
 #include "range.h"
 #include "xen-mapcache.h"
 #include "trace.h"
-#include "exec-memory.h"
+#include "exec/address-spaces.h"
 
 #include <xen/hvm/ioreq.h>
 #include <xen/hvm/params.h>