handle a newline at the end of a tsv (#2343)

Former-commit-id: fc6b2d2abce28b3ee15ae5fbb148f7b470da3595

src/main/cpp/net/eagle0/common/TsvParser.cpp

@@ -73,6 +73,7 @@ vector<StringMap> TsvParser::ParseColumnEntryTsv(string tsv) {
     while (!str.eof()) {
         string mapEntryLine;
         std::getline(str, mapEntryLine, '\n');
+        if (mapEntryLine.empty()) continue;
         vector<string> keyAndValues = ParseLine(mapEntryLine);
 
         string key = keyAndValues[0];