INFN C@C image corrected

contributions/ds_cloud_c/ds_cloud_c.tex

@@ -167,7 +167,7 @@ Powervault & Cloud networks & Compute nodes \\
 
 \begin{figure}[h]
 \centering
-\includegraphics[width=15cm,clip]{cc-fe.png}
+\includegraphics[width=15cm,clip]{infn-fe23.png}
 \caption{The new architecture of the Cloud@CNAF developed to cope the limitations at INFN-Ferrara.}
 \label{new_c_at_c}
 \end{figure}