Unify parameters of forb_sequence_*()

diff --git a/src/forb b/src/forb
index bb52cede91d54a94a26802342888cf2b5818a448..ce815fc0549f83175ff90fe8c9f722e85013511b 160000 (submodule)
--- a/src/forb
+++ b/src/forb
@@ -1 +1 @@
-Subproject commit bb52cede91d54a94a26802342888cf2b5818a448
+Subproject commit ce815fc0549f83175ff90fe8c9f722e85013511b

diff --git a/src/frsh b/src/frsh
index 7272cec4938c6ec4ce34fe7425cfc74698399d8c..435a5e8016240b877283c1f7e8b2c46ace8247ce 160000 (submodule)
--- a/src/frsh
+++ b/src/frsh
@@ -1 +1 @@
-Subproject commit 7272cec4938c6ec4ce34fe7425cfc74698399d8c
+Subproject commit 435a5e8016240b877283c1f7e8b2c46ace8247ce