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-rw-r--r--misc/vhangup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/misc/vhangup.c b/misc/vhangup.c
index a8571f7c56..afee526f39 100644
--- a/misc/vhangup.c
+++ b/misc/vhangup.c
@@ -22,7 +22,7 @@
with the control terminal, and then send a SIGHUP signal to the process
group of the control terminal. */
int
-vhangup ()
+vhangup (void)
{
__set_errno (ENOSYS);
return -1;