fix typo in codes checkpoint workload

src/workload/codes-workload.c

@@ -24,6 +24,7 @@ extern struct codes_workload_method darshan_io_workload_method;
 #ifdef USE_RECORDER
 extern struct codes_workload_method recorder_io_workload_method;
 #endif
+extern struct codes_workload_method checkpoint_workload_method;
 
 static struct codes_workload_method *method_array[] =
 {
@@ -38,6 +39,7 @@ static struct codes_workload_method *method_array[] =
 #ifdef USE_RECORDER
     &recorder_io_workload_method,
 #endif
+    &checkpoint_workload_method,
     NULL};
 
 /* This shim layer is responsible for queueing up reversed operations and

src/workload/methods/codes-checkpoint-wrkld.c

@@ -63,7 +63,7 @@ static struct qhash_table *chkpoint_state_tbl = NULL;
 static int chkpoint_tbl_pop = 0;
 
 /* function pointers for this method */
-struct codes_workload_method test_workload_method = 
+struct codes_workload_method checkpoint_workload_method = 
 {
     .method_name = "checkpoint_io_workload",
     .codes_workload_load = &checkpoint_workload_load,