Imported from ../bash-2.02.tar.gz.
diff --git a/error.h b/error.h
index ea4b2ea..8af7005 100644
--- a/error.h
+++ b/error.h
@@ -47,4 +47,7 @@
 /* Report an internal error. */
 extern void internal_error __P((const char *, ...));
 
+/* Report an internal warning. */
+extern void internal_warning __P((const char *, ...));
+
 #endif /* !_ERROR_H_ */