Merge pull request #3344 from richardkchapman/unicode-memleak-7817

HPCC-7817 Memory leak in Std.Uni.GetNthWord

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>

plugins/unicodelib/unicodelib.cpp

@@ -1130,6 +1130,7 @@ UNICODELIB_API void UNICODELIB_CALL ulUnicodeLocaleGetNthWord(unsigned & tgtLen,
     UnicodeString uText(text, textLen);
     uText.trim();
     UnicodeString word = getNthWord(*bi, uText, n);
+    delete bi;
     if(word.length()>0)
     {
         tgtLen = word.length();