Keep API compatibility

Author: jberkel

Sources/SQLite/Typed/Expression.swift

@@ -73,7 +73,8 @@ public protocol Expressible {
 extension Expressible {
 
     // naïve compiler for statements that can’t be bound, e.g., CREATE TABLE
-    internal func asSQL() -> String {
+    // FIXME: make internal (0.12.0)
+    public func asSQL() -> String {
         let expressed = expression
         var idx = 0
         return expressed.template.characters.reduce("") { template, character in