[patch 1/7 -rt] powerpc 2.6.20-rt8: fix compile error in bug.h

[Tsutomu OWA]

  To fix the following compile error by enclosing it in ifndef __ASSEMBLY__/endif.

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include/asm-generic/bug.h
include/asm-generic/bug.h: Assembler messages:
include/asm-generic/bug.h:7: Error: Unrecognized opcode: `extern'
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Signed-off-by: Tsutomu Owa <tsutomu.owa at toshiba.co.jp>
-- owa

diff -rup linux-rt8/include/asm-generic/bug.h rt/include/asm-generic/bug.h
--- linux-rt8/include/asm-generic/bug.h	2007-02-20 14:30:39.000000000 +0900
+++ rt/include/asm-generic/bug.h	2007-02-20 15:48:42.000000000 +0900
@@ -3,7 +3,9 @@
 
 #include <linux/compiler.h>
 
+#ifndef __ASSEMBLY__
 extern void __WARN_ON(const char *func, const char *file, const int line);
+#endif /* __ASSEMBLY__ */
 
 #ifdef CONFIG_BUG