Use renamed interrupt functions.

Change-Id: Ieafefc0c1b058b04e5084104e51ee2de0497082d
diff --git a/main.c b/main.c
index cf3a95d..5c086a3 100644
--- a/main.c
+++ b/main.c
@@ -235,7 +235,7 @@
 		 * we want to be smarter.
 		 */
 		vcpu = 0;
-		ret = hf_inject_interrupt(vm_id, vcpu, MESSAGE_INT_ID);
+		ret = hf_interrupt_inject(vm_id, vcpu, MESSAGE_INT_ID);
 		if (ret != 1) {
 			/* We don't need to wake up the vcpu. */
 			return;