COMP: incorrect signature for sliceWritePrimitives for int64 compilation

src/OpenFOAM/db/IOstreams/SliceStreams/sliceWritePrimitives.H

@@ -54,7 +54,7 @@ void sliceWritePrimitives                                                     \
     Foam::SliceStream* streamPtr,                                             \
     const Foam::string& blockId,                                              \
     const Foam::globalIndex& globalNumbering,                                 \
-    const Foam::label nCmpts,  /*!< Num of components (ignore 0 or -ve) */    \
+    const int nCmpts,  /*!< Num of components (ignore 0 or -ve) */            \
     const DataType* data                                                      \
 );                                                                            \
                                                                               \