add ctcustomxmlblockd3c1type.xsb to poi-ooxml-lite

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1895733 13f79535-47bb-0310-9956-ffa450edef68

poi-ooxml-lite/missing-xsbs.txt

@@ -32,6 +32,7 @@ ctcolumn1f12type
 ctcontrol7455type
 ctcustomerdata407dtype
 ctcustomshowlist3419type
+ctcustomxmlblockd3c1type
 ctdatarefsb753type
 ctdiagramc1cctype
 cteastasianlayout0841type