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-rw-r--r--src/vhd2vl.y2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vhd2vl.y b/src/vhd2vl.y
index 8661d26..fbc3688 100644
--- a/src/vhd2vl.y
+++ b/src/vhd2vl.y
@@ -2582,7 +2582,7 @@ simple_expr : signal {
const char *outfile; /* Output file */
const char *sourcefile; /* Input file */
-void print_usage() {
+void print_usage(void) {
printf(
"Usage: vhd2vl [--debug] [--quiet] [--std 1995|2001] source_file.vhd > target_file.v\n"
" or vhd2vl [--debug] [--quiet] [--std 1995|2001] source_file.vhd target_file.v\n"
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