OSHMEM: sshmem verbs: fix shared_mr detection

It seems that 5ce2f1006762ef908b2960df5b93dc7532f8e448
changed default flag values but it did not modify detection code.

oshmem/mca/sshmem/verbs/sshmem_verbs_component.c

@@ -176,7 +176,7 @@ verbs_runtime_query(mca_base_module_t **module,
         }
 
 #if (MPAGE_ENABLE > 0)
-        if (!rc && mca_sshmem_verbs_component.has_shared_mr > 0) {
+        if (!rc && (0 != mca_sshmem_verbs_component.has_shared_mr)) {
             struct ibv_exp_reg_shared_mr_in in_smr;
 
             access_flag = IBV_ACCESS_LOCAL_WRITE |