rename clause -> withClause

Author: David Hayes

src/main/java/net/sf/jsqlparser/statement/select/TableFunction.java

@@ -82,8 +82,8 @@ public void setWithClause(String withClause) {
         this.withClause = withClause;
     }
 
-    public TableFunction withClause(String clause) {
-        this.withClause = clause;
+    public TableFunction withWithClause(String withClause) {
+        this.withClause = withClause;
         return this;
     }