Fix copy/paste typo

This commit was SVN r26491.

ompi/mca/mtl/psm/mtl_psm_recv.c

@@ -82,7 +82,7 @@ ompi_mtl_psm_irecv(struct mca_mtl_base_module_t* mtl,
 
 
 int
-ompi_mtl_mxm_imrecv(struct mca_mtl_base_module_t* mtl,
+ompi_mtl_psm_imrecv(struct mca_mtl_base_module_t* mtl,
                     struct opal_convertor_t *convertor,
                     struct ompi_message_t **message,
                     struct mca_mtl_request_t *mtl_request)