UI: update strings

Change-Id: I1e9e67ba77cc95c69ec387e91497a7ed3303083b
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2ae94f7..de5a78f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -242,6 +242,8 @@
    src/views/ConferenceOverlayView.mm
    src/views/CustomBackgroundView.h
    src/views/CustomBackgroundView.mm
+   src/views/TextViewWithPlaceholder.h
+   src/views/TextViewWithPlaceholder.mm
 )
 
 SET(ringclient_OTHERS