2017-09-20 Fred Gleason <fredg@paravelsystems.com>

* Added a 'DROPBOXES.FORCE_TO_MONO' field to the database.
	* Incremented the database version to 268.
	* 'RDDropbox::forceToMono()' and 'RDDropbox::setForceToMon()' methods
	in 'lib/rddropbox.cpp' and 'lib/rddropbox.h'.
	* Added a 'Force to Monaural' checkbox to the 'Edit Dropbox' dialog
	in rdadmin(1).

utils/rdrevert/rdrevert.cpp

@@ -227,6 +227,10 @@ void MainObject::Revert(int schema) const
   case 267:
     Revert267();
     break;
+
+  case 268:
+    Revert268();
+    break;
   }
 }
 
@@ -672,6 +676,19 @@ void MainObject::Revert267() const
 }
 
 
+void MainObject::Revert268() const
+{
+  QString sql;
+  QSqlQuery *q;
+
+  sql="alter table DROPBOXES drop column FORCE_TO_MONO";
+  q=new QSqlQuery(sql);
+  delete q;  
+
+  SetVersion(267);
+}
+
+
 int MainObject::GetVersion() const
 {
   QString sql;
@@ -715,7 +732,7 @@ int MainObject::MapSchema(const QString &ver)
   version_map["2.14"]=258;
   version_map["2.15"]=259;
   version_map["2.16"]=263;
-  version_map["2.17"]=267;
+  version_map["2.17"]=268;
 
   //
   // Normalize String

utils/rdrevert/rdrevert.h

@@ -63,6 +63,7 @@ class MainObject : public QObject
   void Revert265() const;
   void Revert266() const;
   void Revert267() const;
+  void Revert268() const;
   int GetVersion() const;
   void SetVersion(int schema) const;
   int MapSchema(const QString &ver);