fix weighted shortest path not check target vertex

[zhoney]

Change-Id: If8688349c61f00fc16a50ccb31861758284784cc

[codecov]

Codecov Report

Merging #1307 (74a5cc0) into master (f0d1146) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1307      +/-   ##
============================================
- Coverage     62.11%   62.10%   -0.01%     
+ Complexity     5772     5771       -1     
============================================
  Files           377      377              
  Lines         31501    31501              
  Branches       4413     4413              
============================================
- Hits          19566    19564       -2     
  Misses         9946     9946              
- Partials       1989     1991       +2     

Impacted Files	Coverage Δ	Complexity Δ
...a/com/baidu/hugegraph/backend/query/Condition.java	78.38% <0.00%> (-0.37%)	32.00% <0.00%> (ø%)
...c/main/java/com/baidu/hugegraph/task/HugeTask.java	69.53% <0.00%> (-0.31%)	81.00% <0.00%> (-1.00%)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update f0d1146...74a5cc0. Read the comment docs.