Pkg: qualified ID accessor.

simgear/package/Package.cxx

@@ -135,6 +135,11 @@ std::string Package::id() const
     return m_props->getStringValue("id");
 }
 
+std::string Package::qualifiedId() const
+{
+    return m_catalog->id() + "." + id();
+}
+
 std::string Package::md5() const
 {
     return m_props->getStringValue("md5");

simgear/package/Package.hxx

@@ -59,6 +59,11 @@ public:
     bool isInstalled() const;
     
     std::string id() const;
+
+    /**
+     * Fully-qualified ID, including our catalog'd ID
+     */
+    std::string qualifiedId() const;
     
     /**
      * human-readable name - note this is probably not localised,