fix some bug when merge sparse embedding parameters, test=develop#18223

Merged

seiriosPlus merged 3 commits intoPaddlePaddle:developfrom a6802739:fix_bug

Jun 21, 2019

+32-11

Commits on Jun 20, 2019

Commits on Jun 21, 2019

remove the space at the end of the line for code style, test=develop
a6802739
committed