setup.c: re-fix d95138e (setup: set env $GIT_WORK_TREE when ..

diff --git a/run-command.h b/run-command.h
index 263b9662adeba011adcd018f77b7ccbbcd53e94a..1103805af1b01e8396de15f48fbd06f75313fb0d 100644 (file)
--- a/run-command.h
+++ b/run-command.h
@@ -52,7 +52,7 @@ int start_command(struct child_process *);
 int finish_command(struct child_process *);
 int run_command(struct child_process *);
 
-extern char *find_hook(const char *name);
+extern const char *find_hook(const char *name);
 LAST_ARG_MUST_BE_NULL
 extern int run_hook_le(const char *const *env, const char *name, ...);
 extern int run_hook_ve(const char *const *env, const char *name, va_list args);