pgr_contractionHierarchies - Update signatures

Author: AuBousquet

sql/sigs/pgrouting--4.0.sig

@@ -82,6 +82,8 @@ _pgr_compiler_version()
 _pgr_connectedcomponents(text)
 pgr_connectedcomponents(text)
 pgr_contractiondeadend(text,boolean,bigint[])
+_pgr_contractionhierarchies(text,bigint[],boolean)
+pgr_contractionhierarchies(text,bigint[],boolean)
 pgr_contractionlinear(text,boolean,bigint[])
 _pgr_contraction(text,bigint[],integer,bigint[],boolean)
 pgr_contraction(text,boolean,integer[],integer,bigint[])