Fix missing strings.

// FREEBIE

src/org/thoughtcrime/securesms/database/model/MediaMmsMessageRecord.java

@@ -137,7 +137,7 @@ public class MediaMmsMessageRecord extends MessageRecord {
     } else if (isLegacyMessage()) {
       return emphasisAdded(context.getString(R.string.MessageRecord_message_encrypted_with_a_legacy_protocol_version_that_is_no_longer_supported));
     } else if (!getBody().isPlaintext()) {
-      return emphasisAdded(context.getString(R.string.MessageNotifier_encrypted_message));
+      return emphasisAdded(context.getString(R.string.MessageNotifier_locked_message));
     }
 
     return super.getDisplayBody();

src/org/thoughtcrime/securesms/database/model/SmsMessageRecord.java

@@ -87,7 +87,7 @@ public class SmsMessageRecord extends MessageRecord {
     } else if (SmsDatabase.Types.isNoRemoteSessionType(type)) {
       return emphasisAdded(context.getString(R.string.MessageDisplayHelper_message_encrypted_for_non_existing_session));
     } else if (!getBody().isPlaintext()) {
-      return emphasisAdded(context.getString(R.string.MessageNotifier_encrypted_message));
+      return emphasisAdded(context.getString(R.string.MessageNotifier_locked_message));
     } else if (SmsDatabase.Types.isEndSessionType(type)) {
       return emphasisAdded(context.getString(R.string.SmsMessageRecord_secure_session_ended));
     } else {

src/org/thoughtcrime/securesms/database/model/ThreadRecord.java

@@ -67,7 +67,7 @@ public class ThreadRecord extends DisplayRecord {
     } else if (SmsDatabase.Types.isNoRemoteSessionType(type)) {
       return emphasisAdded(context.getString(R.string.MessageDisplayHelper_message_encrypted_for_non_existing_session));
     } else if (!getBody().isPlaintext()) {
-      return emphasisAdded(context.getString(R.string.MessageNotifier_encrypted_message));
+      return emphasisAdded(context.getString(R.string.MessageNotifier_locked_message));
     } else if (SmsDatabase.Types.isEndSessionType(type)) {
       return emphasisAdded(context.getString(R.string.TheadRecord_secure_session_ended));
     } else if (MmsSmsColumns.Types.isLegacyType(type)) {