Fix compiler warning in cali-mpi.h

daboehme · web-flow · commit 7ef3cc678b29 · 2024-02-05T16:57:14.000-08:00
diff --git a/include/caliper/cali-mpi.h b/include/caliper/cali-mpi.h
@@ -23,7 +23,8 @@ class Caliper;
 class Channel;
 class CaliperMetadataDB;
 class OutputStream;
-class QuerySpec;
+
+struct QuerySpec;
 
 /**
  * \brief Perform cross-process aggregation over MPI
