attr_union(): terminate array with NULL

diff --git a/org.glite.jp.primary/src/feed.c b/org.glite.jp.primary/src/feed.c
index 17ebf30..ae60d8b 100644 (file)
--- a/org.glite.jp.primary/src/feed.c
+++ b/org.glite.jp.primary/src/feed.c
@@ -252,6 +252,8 @@ static void attr_union(char **a, char **b, char ***c)
                if (j < cnt && j > i+1) memmove(out+i+1,out+j,(cnt-j) * sizeof *out);
                cnt -= j-i-1;
        }
+       assert(cnt);
+       out[cnt-1] = NULL;
 
        *c = out;
 }