Red's last commit should have been using "pgl", not "gl" for function name...

Red's last commit should have been using "pgl", not "gl" for function name prefixes, so the compiler would be happy. Also, more simplicity in my camera code please! Simplified some of the checks for whether a camera should chase or not etc

git-svn-id: https://code.orospakr.ca/svn/srb2/trunk@9046 6de4a73c-47e2-0310-b8c1-93d6ecd3f8cd