start next find at previous endpos, not one after previous startpos

The portion from startpos to endpos was handled, no need to recheck
things in between and find nothing; or worse, find something and
duplicate a part of a portion..

Change-Id: I37b58d2433514ffa8f31a0fa06f84c6a8aaee947

l10ntools/source/xmlparse.cxx

@@ -1139,7 +1139,7 @@ OString XMLUtil::QuotHTML( const OString &rString )
         }
         else
             sReturn.append(lcl_QuotRange(sSource, nStartPos, nEndPos));
-        ++nStartPos;
+        nStartPos = nEndPos;
     }
     if( nEndPos < sSource.length() )
         sReturn.append(lcl_QuotRange(sSource, nEndPos, sSource.length()));