update woqlPrinter

Author: Francesca-Bit

lib/query/woqlPrinter.js

@@ -416,7 +416,7 @@ WOQLPrinter.prototype.decompilePathPattern = function (pstruct) {
       const sequenceArr = pstruct.sequence;
       if (Array.isArray(sequenceArr) && sequenceArr.length === 2) {
         let next1 = sequenceArr[0];// pstruct['woql:path_first']
-        let next2 = sequenceArr[1];// pstruct['woql:path_second']
+        const next2 = sequenceArr[1];// pstruct['woql:path_second']
 
         if (Array.isArray(next1)) next1 = next1[0];
         var seqstr = '';