Merge pull request #45 from beduino-project/fix-function-declaration

test: Fix declaration of main method
diff --git a/test/test.c b/test/test.c
index d24992f..b7d85af 100644
--- a/test/test.c
+++ b/test/test.c
@@ -109,7 +109,7 @@
   printf("%s at %d\n", err_name[back.err], back.pos);
 }
 
-int main() {
+int main(void) {
   char buf[100000];
   unsigned char *end;
   char *bufend;