Added missing __cuda_callable__ attribute

src/TNL/Matrices/CSR.h

@@ -82,11 +82,12 @@ public:
 
    __cuda_callable__
    IndexType getRowLengthFast( const IndexType row ) const;
-   
+
    IndexType getNonZeroRowLength( const IndexType row ) const;
-   
+
+   __cuda_callable__
    IndexType getNonZeroRowLengthFast( const IndexType row ) const;
-   
+
    template< typename Real2, typename Device2, typename Index2 >
    void setLike( const CSR< Real2, Device2, Index2 >& matrix );