Disintegrate asm/system.h for Sparc

Disintegrate asm/system.h for Sparc.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: sparclinux@vger.kernel.org
diff --git a/arch/sparc/include/asm/bug.h b/arch/sparc/include/asm/bug.h
index 8a59e5a..6bd9f43 100644
--- a/arch/sparc/include/asm/bug.h
+++ b/arch/sparc/include/asm/bug.h
@@ -19,4 +19,7 @@
 
 #include <asm-generic/bug.h>
 
+struct pt_regs;
+extern void die_if_kernel(char *str, struct pt_regs *regs) __attribute__ ((noreturn));
+
 #endif