Rename a token to avoid a collision between DEBUG defined via AC_DEFINE
if --enable-debug is configured, and the token for the 'debug' instruction
in the XWin preferences file
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
Fix old-style definition warnings caused by definitions with empty
parameter lists "()", which should be "(void)" to indicate the function
takes no parameters, rather than unspecified parameters
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>