Fix parsing {} macro argument expansion sequences {nn} sequences were consuming one too many characters which caused unpredictable and definitely incorrect behaviour if the {nn} sequence terminated the line. It also caused the next character after the } to be ignored if used in the middle of an argument sequence.

\.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$