A few additional casts to keep the Renesas RX compiler happy.

git-svn-id: http://svn.code.sf.net/p/freertos/code/trunk@2245 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Ensure demo app files are using FreeRTOS V8 names - a few were missed previously.

git-svn-id: http://svn.code.sf.net/p/freertos/code/trunk@2246 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Add -nomessage command line option to RX64M demo to suppress warning about the yield function being defined when it is not called directly.

git-svn-id: http://svn.code.sf.net/p/freertos/code/trunk@2247 1d2547de-c912-0410-9cb9-b8ca96c0e9e2