fix compilation on clisp  * while we're here, bring eval-when conditions into the 90s and    put read-app and read-com under an eval-when so we don't get    a compile time warning about read-com  * use - instead of minus on clisp with get-internal-run-time    since it returns a value that is (generally) larger than a    fixnum
fix compilation on clisp
 * while we're here, bring eval-when conditions into the 90s and
   put read-app and read-com under an eval-when so we don't get
   a compile time warning about read-com
 * use - instead of minus on clisp with get-internal-run-time
   since it returns a value that is (generally) larger than a
   fixnum

mgi/cl-jpeg,varjagg/cl-jpeg