ICU 56 step 4: Apply post-56 fixes for measure/date format

source/data/unit/sr_Latn.txt

 // ***************************************************************************
 // *
 // * Copyright (C) 2015 International Business Machines
 // * Corporation and others. All Rights Reserved.
 // * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
 // * Source File: <path>/common/main/sr_Latn.xml
 // *
 // ***************************************************************************
 sr_Latn{
     %%Parent{"root"}
@@ skipping 755 matching lines @@
                 dnam{"hektolitri"}
                 few{"{0} hektolitra"}
                 one{"{0} hektolitar"}
                 other{"{0} hektolitara"}
             }
             liter{
                 dnam{"litri"}
                 few{"{0} litra"}
                 one{"{0} litar"}
                 other{"{0} litara"}
-                per{"po litri"}
+                per{"{0} po litri"}
             }
             megaliter{
                 dnam{"megalitri"}
                 few{"{0} megalitra"}
                 one{"{0} megalitar"}
                 other{"{0} megalitara"}
             }
             milliliter{
                 dnam{"mililitri"}
                 few{"{0} mililitra"}
@@ skipping 1117 matching lines @@
             }
             teaspoon{
                 dnam{"kašič."}
                 few{"{0} kašič."}
                 one{"{0} kašič."}
                 other{"{0} kašič."}
             }
         }
     }
 }