Broke the ObjC pieces out into a separate module, so that they can actually be built and used correctly.

Author: wadetregaskis

Package.swift

@@ -5,6 +5,11 @@ let package = Package(
     targets: [
         Target(
             name: "SQLite",
+            dependencies: [
+                .Target(name: "SQLiteObjc")
+            ]),
+        Target(
+            name: "SQLiteObjc",
             dependencies: [
                 .Target(name: "CSQLite")
             ]),

Sources/SQLite/Extensions/FTS4.swift

@@ -22,6 +22,9 @@
 // THE SOFTWARE.
 //
 
+import SQLiteObjc
+
+
 extension Module {
 
     public static func FTS4(_ column: Expressible, _ more: Expressible...) -> Module {