Have set_try_to_free_routine return the previous routine

diff --git a/git-compat-util.h b/git-compat-util.h
index 1c171db8b1fb46c5230280b0ebd872c8f23cf7c0..828aadaf3ae0bdd41ed3d2966ab36c5a73ca91ab 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -346,7 +346,8 @@ static inline char *gitstrchrnul(const char *s, int c)
 
 extern void release_pack_memory(size_t, int);
 
-extern void set_try_to_free_routine(void (*routine)(size_t));
+typedef void (*try_to_free_t)(size_t);
+extern try_to_free_t set_try_to_free_routine(try_to_free_t);
 
 extern char *xstrdup(const char *str);
 extern void *xmalloc(size_t size);