RenderManShader : Fix crash when reloading coshader arrays.
RenderManShader : Fix crash when reloading coshader arrays.

This bug has been there all along, but only showed itself when compiling with GCC 4.8 in C++11 mode.

appleseedhq/gaffer,ImageEngine/gaffer,chippey/gaffer,ImageEngine/gaffer,lucienfostier/gaffer,andrewkaufman/gaffer,boberfly/gaffer,ivanimanishi/gaffer,hradec/gaffer,johnhaddon/gaffer,appleseedhq/gaffer,chippey/gaffer,andrewkaufman/gaffer,lucienfostier/gaffer,hradec/gaffer,appleseedhq/gaffer,ivanimanishi/gaffer,appleseedhq/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,lucienfostier/gaffer,hradec/gaffer,andrewkaufman/gaffer,boberfly/gaffer,johnhaddon/gaffer,johnhaddon/gaffer,hradec/gaffer,GafferHQ/gaffer,boberfly/gaffer,lucienfostier/gaffer,johnhaddon/gaffer,chippey/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,ImageEngine/gaffer,chippey/gaffer,ivanimanishi/gaffer,boberfly/gaffer,GafferHQ/gaffer,hradec/gaffer,johnhaddon/gaffer,ivanimanishi/gaffer,ImageEngine/gaffer