#2410 Fix r19716 (which sucks)

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@19750 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2349 - fix nightly `GccOptNative` build.

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@19756 b5f69653-2bf5-0310-8201-b0dafb8e1405