return 0 from main function

diff --git a/ir/be/test/adam_putt.c b/ir/be/test/adam_putt.c
index 7cc7b5a..070d32d 100644 (file)
--- a/ir/be/test/adam_putt.c
+++ b/ir/be/test/adam_putt.c
@@ -1,18 +1,21 @@
+#include <stdio.h>
+
 int hallo()
 {
-    int i = 0;
-      int j = 2;
+       int i = 0;
+       int j = 2;
 
-        i = add(i, j, i, j);
+       i = add(i, j, i, j);
 
-         return i;
+       return i;
 }
 
 int add(int i, int j, int k, int l)
 {
-    return i + j + k +l;
+       return i + j + k +l;
 }
 
 int main() {
-        printf("%d\n", hallo());
+       printf("%d\n", hallo());
+       return 0;
 }