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-rw-r--r--src/proto/os_unix.pro1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/proto/os_unix.pro b/src/proto/os_unix.pro
index 9a3908b49..6018c8fce 100644
--- a/src/proto/os_unix.pro
+++ b/src/proto/os_unix.pro
@@ -11,6 +11,7 @@ void mch_didjmp __ARGS((void));
void mch_suspend __ARGS((void));
void mch_init __ARGS((void));
void reset_signals __ARGS((void));
+int handle_sighup __ARGS((int when));
int mch_check_win __ARGS((int argc, char **argv));
int mch_input_isatty __ARGS((void));
int mch_can_restore_title __ARGS((void));