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-rw-r--r--src/nvim/getchar.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/nvim/getchar.c b/src/nvim/getchar.c
index e8ce624e25..541f0e5b0a 100644
--- a/src/nvim/getchar.c
+++ b/src/nvim/getchar.c
@@ -396,7 +396,7 @@ int stuff_empty(void)
* Return TRUE if readbuf1 is empty. There may still be redo characters in
* redbuf2.
*/
-int readbuf1_empty()
+int readbuf1_empty(void)
{
return (readbuf1.bh_first.b_next == NULL);
}