Fix tme_span parse

Author: gammasoft71

src/xtd.core/src/xtd/time_span.cpp

@@ -408,7 +408,7 @@ int32 time_span::try_parse_internal(const ustring& value, time_span& result) {
     if (int32_object::try_parse(items[1], minutes) == false) return parse_format;
     if (int32_object::try_parse(items[2], seconds) == false) return parse_format;
     if (int32_object::try_parse(items[3], ticks) == false) return false;
-  } else {
+  } else if (items.size() == 4_z) {
     if (int32_object::try_parse(items[0], days) == false) return parse_format;
     if (int32_object::try_parse(items[1], hours) == false) return parse_format;
     if (int32_object::try_parse(items[2], minutes) == false) return parse_format;