Merge pull request #5381 from hoopoepg/topic/fixed-mxm-symbol-conflict

MCA/MTL/MXM: fixed symbol duplicates

Author: bwbarrett

ompi/mca/mtl/mxm/mtl_mxm_types.h

@@ -61,7 +61,7 @@ typedef struct mca_mtl_mxm_component_t {
 } mca_mtl_mxm_component_t;
 
 
-OMPI_DECLSPEC mca_mtl_mxm_component_t mca_mtl_mxm_component;
+extern mca_mtl_mxm_component_t mca_mtl_mxm_component;
 
 
 static inline mxm_conn_h ompi_mtl_mxm_conn_lookup(struct ompi_communicator_t* comm, int rank) {