Minor fix to get a better layout of the author list.

beamerinnerthemeEUROfusion.sty

@@ -75,7 +75,7 @@
   \begin{frame}
     \frametitle{Acknowledgements}
     \begin{beamercolorbox}{authors institutes}
-      \usebeamerfont{author}
+      \usebeamerfont{author}%
       \insertauthor\par
       \vskip1em
       \usebeamerfont{institute}