add editor modelines
reformat

Change-Id: Idce9d34c41ce2bcbc4d5efa4699decd7f3068199
Reviewed-on: https://code.wireshark.org/review/3125
Reviewed-by: Martin Kaiser <wireshark@kaiser.cx>
remove the NULL check in APPEND_BOOLEAN_FLAG

Change-Id: I15742ce73d3445ec47369d35dd0da6715b7079cf
Reviewed-on: https://code.wireshark.org/review/3126
Reviewed-by: Martin Kaiser <wireshark@kaiser.cx>