[PATCH] Protect include/linux/console_struct.h against multiple inclusion.

Protect the header file include/linux/console_struct.h against multiple inclusion, since not doing this causes one of the example module programs in the Linux Kernel Module Programming Guide to fail to build due to a bogus "redeclaration" of some structures. Signed-off-by: Robert P. J. Day

[PATCH] Protect include/linux/console_struct.h against multiple inclusion.

Protect the header file include/linux/console_struct.h against multiple inclusion, since not doing this causes one of the example module programs in the Linux Kernel Module Programming Guide to fail to build due to a bogus redeclaration of some structures. Signed-off-by: Robert P. J. Day [EMAIL