more D/F conflict tests

diff --git a/git-compat-util.h b/git-compat-util.h
index ef6080338480f509e720a484998c286ae1814b0a..5c596875c2e78a92031915948444971126d91a78 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -189,6 +189,7 @@ extern char *gitbasename(char *);
 
 /* General helper functions */
 extern NORETURN void usage(const char *err);
+extern NORETURN void usagef(const char *err, ...) __attribute__((format (printf, 1, 2)));
 extern NORETURN void die(const char *err, ...) __attribute__((format (printf, 1, 2)));
 extern NORETURN void die_errno(const char *err, ...) __attribute__((format (printf, 1, 2)));
 extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));