Bug 717428 - Part 2: Add missing breaks in database upgrade logic. r=lucasr

mobile/android/base/db/BrowserProvider.java.in

@@ -1027,12 +1027,15 @@ public class BrowserProvider extends ContentProvider {
 
                     case 8:
                         upgradeDatabaseFrom7to8(db);
+                        break;
 
                     case 9:
                         upgradeDatabaseFrom8to9(db);
+                        break;
 
                     case 10:
                         upgradeDatabaseFrom9to10(db);
+                        break;
                  }
              }