checkout: prevent losing staged changes with --merge

diff --git a/sigchain.h b/sigchain.h
index 254ebb0fa69fc759e73de431721357209f72180d..138b20f54b4017c1f38036935f483c628094affb 100644 (file)
--- a/sigchain.h
+++ b/sigchain.h
@@ -6,4 +6,7 @@ typedef void (*sigchain_fun)(int);
 int sigchain_push(int sig, sigchain_fun f);
 int sigchain_pop(int sig);
 
+void sigchain_push_common(sigchain_fun f);
+void sigchain_pop_common(void);
+
 #endif /* SIGCHAIN_H */