main was lacking a return code.

Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
diff --git a/testcases/commands/ade/ar/file1.c b/testcases/commands/ade/ar/file1.c
index 52a650b..27b57b5 100644
--- a/testcases/commands/ade/ar/file1.c
+++ b/testcases/commands/ade/ar/file1.c
@@ -3,4 +3,5 @@
 int main(void)
 {
         printf("Hello World\n");
+	return 0;
 }