Add standard include guard to asm-generic/signal and use compiler.h
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h
index 9418d6e..dae1d87 100644
--- a/include/asm-generic/signal.h
+++ b/include/asm-generic/signal.h
@@ -1,3 +1,8 @@
+#ifndef __ASM_GENERIC_SIGNAL_H
+#define __ASM_GENERIC_SIGNAL_H
+
+#include <linux/compiler.h>
+
#ifndef SIG_BLOCK
#define SIG_BLOCK 0 /* for blocking signals */
#endif
@@ -19,3 +24,5 @@
#define SIG_IGN ((__force __sighandler_t)1) /* ignore signal */
#define SIG_ERR ((__force __sighandler_t)-1) /* error return from signal */
#endif
+
+#endif /* __ASM_GENERIC_SIGNAL_H */