Clean up showhelp() output (newlines, etc.)

[koitsu]

New:

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$ ./asm6f.exe -h
asm6f 1.6 (+ f003)

Usage: asm6f [-options] sourcefile [outputfile] [listfile]

        -?              show this help
        -l              create listing
        -L              create verbose listing (expand REPT, MACRO)
        -d<name>        define symbol
        -q              quiet mode (no output unless error)
        -n              export FCEUX-compatible .nl files
        -f              export Lua symbol file
        -c              export .cdl for use with FCEUX/Mesen
        -m              export new format Mesen label file (.mlb)
        -M              export old format Mesen label file (.mlb)

See README.TXT for more info.

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Old:

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$ ./asm6f.exe -h

asm6f 1.6 (+ f003)

Usage:  asm6f [-options] sourcefile [outputfile] [listfile]

        -?              show this help
        -l              create listing
        -L              create verbose listing (expand REPT, MACRO)
        -d<name>        define symbol
        -q              quiet mode (no output unless error)
        -n              export FCEUX-compatible .nl files
        -f              export Lua symbol file
        -c              export .cdl for use with FCEUX/Mesen
        -m              export new format Mesen label file (.mlb)

        -M              export old format Mesen label file (.mlb)

See README.TXT for more info.

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