Replace some more tabs with spaces

Author: valentjn

tex/beamerthemeStuttgart.sty

@@ -274,7 +274,7 @@
 % ------------------------------------------------------------------------------
 % section page
 \newcommand*{\sectionframe}[1]{
-	\miniframesoff
+    \miniframesoff
     {%
         \setbeamertemplate{headline}{}
         \setbeamertemplate{footline}{}
@@ -292,7 +292,7 @@
             \end{textblock}
         \end{frame}
     }%
-	\miniframeson
+    \miniframeson
 }
 
 % ------------------------------------------------------------------------------