Fix listing to not rely on undefined memory before the start of instab This is exactly the same bug that affected symbol value registration and was fixed in changeset 65c2085e0398. This time, fix it when creating listings.

\.exe$
\.o$
\.d$
\.a$
~$
\.orig$
/lwbasic$
/lwlink$
/lwobjdump$
/lwar$
/lwasm$
/lwcc/lwcc$
/lwcc/lwcc-cpp$
/lwcc/lwcc-cc

# for windows
\\.suo$
\\.sdf$
\\.opensdf$
\\Debug$
\\Release$