Squashed 'externals/SkipIfZeroCommon/' changes from 1aa11ab..0bbfce7

0bbfce7 Hotfix: Forgot to inline function declared in header.

git-subtree-dir: externals/SkipIfZeroCommon
git-subtree-split: 0bbfce7db40a665f8f935daae57acbefab0a67f2
Merge commit 'b11671cf71c13bd19c45e7954b9a527bbfd99ec2' into development