Reduce footer line to correct bug after 9 slides

PasTeX.cls

@@ -37,7 +37,7 @@
 {
     \color{pasteur-black}
     \tiny\qquad\enskip\insertframenumber\enskip$\vert$\enskip\insertauthor\enskip$\vert$\enskip\inserttitle\enskip$\vert$\enskip\insertdate\enskip\enskip\enskip\enskip
-    \rule{5cm}{0.1pt}\enskip\enskip\enskip\enskip
+    \rule{4.5cm}{0.1pt}\enskip\enskip\enskip\enskip
     \includegraphics[width=1.4cm]{img/logo_ip.png}
     \vspace*{3mm}
 }