sim.pysim: Only close VCD/GTKW files if we opened them ourselves. [0.4 backport]#1157

whitequark merged 1 commit intoamaranth-lang:v0.4.xamaranth-lang/amaranth:v0.4.xfrom

wanda-phi:vcd-close-fix-0.4wanda-phi/amaranth:vcd-close-fix-0.4Copy head branch name to clipboard