git p4 doc: fix branch detection example

diff --git a/editor.c b/editor.c
index 065a7abf2ffc0df61c35e0740e95caa5af14b229..27bdecdaf3d99d3179737e07be971d2458408660 100644 (file)
--- a/editor.c
+++ b/editor.c
@@ -51,7 +51,7 @@ int launch_editor(const char *path, struct strbuf *buffer, const char *const *en
                sigchain_push(SIGINT, SIG_IGN);
                sigchain_push(SIGQUIT, SIG_IGN);
                ret = finish_command(&p);
-               sig = ret + 128;
+               sig = ret - 128;
                sigchain_pop(SIGINT);
                sigchain_pop(SIGQUIT);
                if (sig == SIGINT || sig == SIGQUIT)