Avoid null ref exception when package is not loaded, e.g. when opening a .rs file from a C++ project in VS.
Avoid null ref exception when package is not loaded, e.g. when opening a .rs file from a C++ project in VS.

Boddlnagg/VisualRust,PistonDevelopers/VisualRust,Boddlnagg/VisualRust,Stitchous/VisualRust,xilec/VisualRust,Vbif/VisualRust,vosen/VisualRust,vosen/VisualRust,PistonDevelopers/VisualRust,yacoder/VisualRust,Vbif/VisualRust,yacoder/VisualRust,Stitchous/VisualRust,xilec/VisualRust