Change Comedi's <linux/config.h> compatibility header so it only
includes the real <linux/config.h> for kernel versions below 2.6.15.
Previously it was included for kernel versions below 2.6.19 (when it was
removed from the kernel sources) but wasn't needed for 2.6.15 onwards.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
#include <config.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 15)
#include_next <linux/config.h>
#endif