* some more warning elimination

This commit was SVN r2493.

src/mca/pcm/base/pcm_base_comm.c

@@ -24,8 +24,6 @@ mca_pcm_base_send_schedule(FILE *fp,
                            int num_procs)
 {
     int i, envc;
-    ompi_list_item_t *node_item;
-    mca_llm_base_hostfile_data_t *node;
 
     fprintf(fp, START_KEY);
     fprintf(fp, "%d\n", PROTOCOL_VERSION);

src/mca/pcm/rsh/src/pcm_rsh_component.c

@@ -168,9 +168,11 @@ mca_pcm_rsh_init(int *priority,
 
     /* copy over the function pointers */
     mca_pcm_rsh_1_0_0.pcm_allocate_resources = 
-        mca_pcm_rsh_llm.llm_allocate_resources;
+        (mca_pcm_base_allocate_resources_fn_t) 
+          mca_pcm_rsh_llm.llm_allocate_resources;
     mca_pcm_rsh_1_0_0.pcm_deallocate_resources = 
-        mca_pcm_rsh_llm.llm_deallocate_resources;
+        (mca_pcm_base_deallocate_resources_fn_t)
+          mca_pcm_rsh_llm.llm_deallocate_resources;
 
     /* DO SOME PARAM "FIXING" */
     /* BWB - remove param fixing before 1.0 */

src/mca/pcmclient/singleton/pcmclient_singleton.c

@@ -61,7 +61,10 @@ mca_pcmclient_singleton_get_self(void)
 
     if (NULL == mca_pcmclient_singleton_procs) {
         ret = init_proclist();
-        if (OMPI_SUCCESS != ret) return ret;
+        if (OMPI_SUCCESS != ret) {
+            errno = ret;
+            return NULL;
+        }
     }
 
     return &mca_pcmclient_singleton_procs[0];