Merge pull request #267 from remicollet/issue-095

new constant from libxlsxwriter 0.9.5

kernel/chart.c

@@ -311,6 +311,10 @@ VTIFUL_STARTUP_FUNCTION(chart)
     REGISTER_CLASS_CONST_LONG(vtiful_chart_ce, "CHART_COLUMN_STACKED",                LXW_CHART_COLUMN_STACKED)
     REGISTER_CLASS_CONST_LONG(vtiful_chart_ce, "CHART_COLUMN_STACKED_PERCENT",        LXW_CHART_COLUMN_STACKED_PERCENT)
     REGISTER_CLASS_CONST_LONG(vtiful_chart_ce, "CHART_DOUGHNUT",                      LXW_CHART_DOUGHNUT)
+#if defined(LXW_VERSION_ID) && LXW_VERSION_ID >= 95
+    REGISTER_CLASS_CONST_LONG(vtiful_chart_ce, "CHART_LINE_STACKED",                  LXW_CHART_LINE_STACKED)
+    REGISTER_CLASS_CONST_LONG(vtiful_chart_ce, "CHART_LINE_STACKED_PERCENT",          LXW_CHART_LINE_STACKED_PERCENT)
+#endif
     REGISTER_CLASS_CONST_LONG(vtiful_chart_ce, "CHART_PIE",                           LXW_CHART_PIE)
     REGISTER_CLASS_CONST_LONG(vtiful_chart_ce, "CHART_SCATTER",                       LXW_CHART_SCATTER)
     REGISTER_CLASS_CONST_LONG(vtiful_chart_ce, "CHART_SCATTER_STRAIGHT",              LXW_CHART_SCATTER_STRAIGHT)
@@ -335,4 +339,4 @@ VTIFUL_STARTUP_FUNCTION(chart)
 
     return SUCCESS;
 }
-/* }}} */
+/* }}} */