Fix bug where the first collective call was using MSCCL instead of MSCCL++ (#1260)

[ROCm/rccl commit: 69135976d6]

projects/rccl/src/include/msccl/msccl_struct.h

@@ -165,6 +165,7 @@ struct mscclSavedSchedulerParam {
 };
 
 enum mscclCaptureStatus {
+  mscclUnknownCaptureStatus,
   mscclNoCapture,
   mscclNewCapture,
   mscclExistingCapture