Allow out-of-tree builds

Change-Id: If4b97e65f63c3abbf23140dd97b9febe00b3be0d
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/host-services.c b/host-services.c
index 78ad4c3..4c8fc7c 100644
--- a/host-services.c
+++ b/host-services.c
@@ -3,7 +3,7 @@
 #include <errno.h>
 #include <systemd/sd-bus.h>
 #include <mapper.h>
-#include "ipmid-api.h"
+#include "host-ipmid/ipmid-api.h"
 
 void register_host_services() __attribute__((constructor));