Add fix (#33)

Signed-off-by: Bogdan Vaneev <[email protected]>

Author: Warchant

client/src/main/java/jp/co/soramitsu/iroha/java/TransactionBuilder.java

@@ -299,7 +299,9 @@ public TransactionBuilder grantPermissions(
       String accountId,
       Iterable<GrantablePermission> permissions
   ) {
-    permissions.forEach(p -> this.grantPermission(accountId, p));
+    for(GrantablePermission p : permissions) {
+      this.grantPermission(accountId, p);
+    }
     return this;
   }