Patch the bug
Merge remote-tracking branch 'origin/4083_patch_barcharts' into tuleap-stable-master

* origin/4083_patch_barcharts:
  Patch the bug

Change-Id: Icf15e84da6c00f785340bfe6a23614eed0ac1a27
Tuleap 6.1.99.35

Change-Id: I1dc64aa6802d1f7e4fed11691ee76e96adebfb4e