btl_usnic_connectivity.h: fix PACK_BYTES macro

We're passing a char foo[x] into PACK_BYTES, so we don't need to take
its address in the macro.  This is parallel to the UNPACK_BYTES macro
(where we pass a char bar[x] into it, and don't take its address in
the macro).

The value we're packing is only used to output in a show_help message,
which is why this wasn't noticed before (i.e., it's not used in
network or addressing that would have caused a failure).

cmr=v1.8.2:reviewer=dgoodell

This commit was SVN r31594.

ompi/mca/btl/usnic/btl_usnic_connectivity.h

@@ -95,7 +95,7 @@ struct ompi_btl_usnic_module_t;
 #define PACK_BYTES(buffer, value, num_bytes)                            \
     do {                                                                \
         int ret;                                                        \
-        ret = opal_dss.pack((buffer), &(value), (num_bytes), OPAL_BYTE); \
+        ret = opal_dss.pack((buffer), (value), (num_bytes), OPAL_BYTE); \
         if (OPAL_SUCCESS != ret) {                                      \
             OMPI_ERROR_LOG(ret);                                        \
             ABORT("Could not pack");                                    \