[1.12.2]airtight seal doesn't work

[tonimark]

the airtight seal doesn't work I went to another planet with oxygen tanks but it won't work as I needed not only oxygen gear but a mask too I use galacticraft mod versions:1.12.2-0.2.0.6

[lehjr]

This one should be relatively easy to fix. Actually, these are the damage sources that I need to look: https://github.com/micdoodle8/Galacticraft/blob/MC1.12/src/main/java/micdoodle8/mods/galacticraft/core/util/DamageSourceGC.java