Fix a bunch of warnings

This commit was SVN r986.

src/mpi/c/comm_free.c

@@ -30,7 +30,7 @@ int MPI_Comm_free(MPI_Comm *comm) {
     
     /* free the object */
 
-    lam_comm_free ( (lam_communicator_t *) comm ); 
+    lam_comm_free ( comm ); 
     
     *comm = MPI_COMM_NULL;
     return MPI_SUCCESS;

src/mpi/c/comm_set_errhandler.c

@@ -31,9 +31,14 @@ int MPI_Comm_set_errhandler(MPI_Comm comm, MPI_Errhandler errhandler)
     }
   }
 
+  /* Ditch the old errhandler */
+
+  OBJ_RELEASE(comm->error_handler);
+
   /* We have a valid comm and errhandler */
 
   comm->error_handler = errhandler;
+  OBJ_RETAIN(comm->error_handler);
 
   /* All done */
   

src/mpi/c/group_f2c.c

@@ -25,13 +25,13 @@ MPI_Group MPI_Group_f2c(MPI_Fint group_f)
     /* error checks */
     if (MPI_PARAM_CHECK) {
         if (0 > group_index) {
-            return LAM_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_GROUP,
-                        "MPI_Group_f2c");
+            (void) LAM_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_GROUP,
+                                         "MPI_Group_f2c");
             return MPI_GROUP_NULL;
         }
         if (group_index >= lam_group_f_to_c_table->size) {
-            return LAM_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_GROUP,
-                        "MPI_Group_f2c - II");
+            (void) LAM_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_GROUP,
+                                         "MPI_Group_f2c - II");
             return MPI_GROUP_NULL;
         }
     }

src/mpi/c/test.c

@@ -30,16 +30,17 @@ int MPI_Test(MPI_Request *request, int *completed, MPI_Status *status)
     }
 
     if(*request == NULL) {
-        *completed = true;
+        *completed = 1;
         status->MPI_SOURCE = MPI_PROC_NULL;
         status->MPI_TAG = MPI_ANY_TAG;
         status->MPI_ERROR = MPI_SUCCESS;
         status->_count = 0;
         return MPI_SUCCESS;
     }
-    rc = mca_pml.pml_test(1, request, index, completed, status);
-    if(completed < 0)
-        completed = 0;
+    rc = mca_pml.pml_test(1, request, &index, completed, status);
+    if(*completed < 0) {
+        *completed = 0;
+    }
     LAM_ERRHANDLER_RETURN(rc, (lam_communicator_t*)NULL, rc, "MPI_Test");
 }