Support reloading the shader compiler Trac #19900 Issue=291 - Move compiler initialization to a separate function - all this function to ensure the compiler is loaded when a compile is attempted (previously if the compiler was released, you'd have to create a new shader object to get it reloaded). Signed-off-by: Shannon Woods Signed-off-by: Nicolas Capens git-svn-id: https://angleproject.googlecode.com/svn/trunk@992 736b8ea6-26fd-11df-bfd4-992fa37f6226