voice: fix regression 39f8685 (already voiced)

Some of the splashf messages that were converted
to support voicing in commit 39f8685 already had
a voice equivalent that was more appropriate,
since it also voiced parameters, and included
pauses between announcements where necessary.

Change-Id: Ia91a01c82acd6148afb4afadd64b1105802aea36

apps/root_menu.c

@@ -257,8 +257,8 @@ static int browser(void* param)
                     }
                     else
                     {
-                        splashf(0, ID2P(LANG_BUILDING_DATABASE),
-                                   stat->processed_entries);
+                        splashf(0, str(LANG_BUILDING_DATABASE),
+                                   stat->processed_entries); /* (voiced above) */
                     }
                 }
             }