[FIX] BTK: crash during the writing of a C3D file. [FIX] BTK: "Right" context event added a second time in the EVENT_CONTEXT:LABELS.
[FIX] BTK: crash during the writing of a C3D file.
[FIX] BTK: "Right" context event added a second time in the EVENT_CONTEXT:LABELS.

git-svn-id: ed06c97986a68fa016311908f99ed1538fbb9b5d@223 93be6e1e-6fcc-11de-baec-69240fdc299a

Biomechanical-ToolKit/BTKCore,letaureau/b-tk.core,Biomechanical-ToolKit/BTKCore,xyproto/b-tk.core,letaureau/b-tk.core,letaureau/b-tk.core,xyproto/b-tk.core,letaureau/b-tk.core,xyproto/b-tk.core,letaureau/b-tk.core,xyproto/b-tk.core,xyproto/b-tk.core,xyproto/b-tk.core,xyproto/b-tk.core,Biomechanical-ToolKit/BTKCore,Biomechanical-ToolKit/BTKCore,letaureau/b-tk.core,xyproto/b-tk.core,letaureau/b-tk.core,Biomechanical-ToolKit/BTKCore,letaureau/b-tk.core,Biomechanical-ToolKit/BTKCore,Biomechanical-ToolKit/BTKCore,Biomechanical-ToolKit/BTKCore