[PATCH] sis: fix sparse warnings

drivers/video/sis/sis_main.c:2204:2: warning: undefined identifier 'lock_kernel'
drivers/video/sis/sis_main.c:2206:2: warning: undefined identifier 'unlock_kernel'
drivers/video/sis/sis_main.c:2204: warning: implicit declaration of function `lock_kernel'
drivers/video/sis/sis_main.c:2206: warning: implicit declaration of function `unlock_kernel'
Signed-off-by: Randy Dunlap <rddunlap@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/video/sis/sis_main.c

@@ -39,6 +39,7 @@
 #include <linux/moduleparam.h>
 #endif
 #include <linux/kernel.h>
+#include <linux/smp_lock.h>
 #include <linux/spinlock.h>
 #include <linux/errno.h>
 #include <linux/string.h>