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-rw-r--r--merge-recursive.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/merge-recursive.c b/merge-recursive.c
index 4a82b741ae..c8539ec0ba 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -127,7 +127,7 @@ static void output(int v, const char *fmt, ...)
va_end(args);
}
-static void flush_output()
+static void flush_output(void)
{
struct output_buffer *b, *n;
for (b = output_list; b; b = n) {