Xcos context did not handle exec() anymore
@davidcl)
Reported by Clement DAVID (BUG DESCRIPTION:
----------------
Setting a context to `A=1;` defined both variables, however, having `A=1` in a dedicated "vars.ini" file and setting the context to `exec("vars.ini",-1)` does not work in 6.1.0 nor 6.0.2 (it worked in 5.5.2 and before).
ERROR LOG:
----------
Undefined variables in Xcos context
HOW TO REPRODUCE THE BUG:
-------------------------
OTHER INFORMATION:
------------------