[PATCH][PPC64] Fix inline version of _raw_spin_trylock

[Paul Mackerras]

When I added the out-of-line spinlocks on PPC64, I inadvertently
introduced a bug in the inline version of _raw_spin_trylock, where it
returns the opposite of what it should return.  The patch below fixes
it.

Please apply.

Thanks,
Paul.

--- linux-2.5/include/asm-ppc64/spinlock.h	2004-05-15 13:32:16.000000000 +1000
+++ ppc64-linux-2.5/include/asm-ppc64/spinlock.h	2004-05-20 16:42:45.662218328 +1000
@@ -65,7 +65,7 @@
 	: "r"(&lock->lock)
 	: "cr0", "memory");
 
-	return tmp != 0;
+	return tmp == 0;
 }
 
 static __inline__ void _raw_spin_lock(spinlock_t *lock)
-
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