Fixed macro definition order in MXM component headers

This commit was SVN r28378.

ompi/mca/mtl/mxm/mtl_mxm.h

@@ -15,6 +15,9 @@
 #include <unistd.h>
 
 #include <mxm/api/mxm_api.h>
+#ifndef MXM_VERSION
+#define MXM_VERSION(major, minor) (((major)<<MXM_MAJOR_BIT)|((minor)<<MXM_MINOR_BIT))
+#endif
 #if MXM_API < MXM_VERSION(2, 0)
 #include <mxm/api/mxm_addr.h>
 #endif
@@ -32,10 +35,6 @@
 
 BEGIN_C_DECLS
 
-#ifndef MXM_VERSION
-#define MXM_VERSION(major, minor) (((major)<<MXM_MAJOR_BIT)|((minor)<<MXM_MINOR_BIT))
-#endif
-
 /* MTL interface functions */
 extern int ompi_mtl_mxm_add_procs(struct mca_mtl_base_module_t* mtl,
                                   size_t nprocs, struct ompi_proc_t** procs,