Dont cast the int32_t pointer into a long pointer. This doesn't work on

64 bits architectures.

This commit was SVN r18667.

opal/include/opal/sys/amd64/atomic.h

@@ -87,7 +87,7 @@ static inline int opal_atomic_cmpset_32( volatile int32_t *addr,
                        SMPLOCK "cmpxchgl %1,%2   \n\t"
                                "sete     %0      \n\t"
                        : "=qm" (ret)
-                       : "q"(newval), "m"(*((volatile long*)addr)), "a"(oldval)
+                       : "q"(newval), "m"(*addr), "a"(oldval)
                        : "memory");
 
    return (int)ret;