Boot-time slides: enlarge bootchart graph

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>

slides/boot-time-init-scripts/boot-time-init-scripts.tex

@@ -14,14 +14,14 @@ \section{Optimizing init scripts and system startup}
 \begin{frame}
 \frametitle{Measuring - bootchart}
 \begin{columns}
-\column{0.7\textwidth}
+\column{0.65\textwidth}
 \begin{itemize}
 	\item If you want to have a more detailed look at the userland boot sequence
               than with \code{grabserial}, you can use \code{bootchart}.
 	\item \url{http://www.bootchart.org}
 \end{itemize}
-\column{0.3\textwidth}
-\includegraphics[height=0.6\textheight]{slides/boot-time-init-scripts/bootlog.png}
+\column{0.35\textwidth}
+\includegraphics[height=0.85\textheight]{slides/boot-time-init-scripts/bootlog.png}
 \end{columns}
 \end{frame}