getopt: fix coding style

getopt: fix coding style

This patch is purely reindentation, spacing, tabing, comment line
lenght and so on style fix. The only potential cause of havok is
two fixed ambiguous assignments which very likely did not break.

indent: getopt.c:147: Warning:old style assignment ambiguity in "=*".  Assuming "= *"
indent: getopt.c:151: Warning:old style assignment ambiguity in "=*".  Assuming "= *"

Signed-off-by: Sami Kerola <kerolasa@iki.fi>