Replace obsolescent %hs printf specifier
https://github.com/audacity/audacity/commit/e181ee115e727b4754619b04aa6e8ad872113592

Index: locale/sr_RS@latin.po
--- locale/sr_RS@latin.po.orig
+++ locale/sr_RS@latin.po
@@ -2330,7 +2330,7 @@ msgstr "Ne mogu da otvorim datoteku: „%s“"
 #: libraries/lib-xml/XMLFileReader.cpp
 #, fuzzy, c-format
 msgid "Error: %s at line %lu"
-msgstr "Greška: %hs u redu %lu"
+msgstr "Greška: %s u redu %lu"
 
 #: libraries/lib-xml/XMLFileReader.cpp
 #, c-format