Fix typo in irqentryarg declaration.
diff --git a/src/romlayout.S b/src/romlayout.S
index a128018..cb1da85 100644
--- a/src/romlayout.S
+++ b/src/romlayout.S
@@ -387,7 +387,7 @@
         iretw
 
         // Main entry point for interrupts with args
-        DECLFUNC irqentry
+        DECLFUNC irqentryarg
 irqentryarg:
         ENTRY_ARG_ST
         iretw