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-rw-r--r--tests/alloc_extra.l2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/alloc_extra.l b/tests/alloc_extra.l
index 2c582a8..d50c135 100644
--- a/tests/alloc_extra.l
+++ b/tests/alloc_extra.l
@@ -65,7 +65,7 @@ void *yyalloc ( size_t size, yyscan_t scanner );
int main(void);
int
-main ()
+main (void)
{
yyscan_t scanner;
struct Check check;