Made \emph use the italic rather than slanted type face.

style/base.dtx

@@ -5,5 +5,12 @@
 % currently a dummy file.
 %    \begin{macrocode}
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{fithesis/style/fithesis-base}[2015/06/23]
+\ProvidesPackage{fithesis/style/fithesis-base}[2018/02/11]
+%    \end{macrocode}
+% \changes{v0.3.49}{2018/02/11}{\cs{emph} uses the italic type
+%   face rather than the slanted type face. [VN]}
+%    \begin{macrocode}
+\DeclareRobustCommand\em
+        {\@nomath\em \ifdim \fontdimen\@ne\font >\z@
+                       \eminnershape \else \itshape \fi}%
 %    \end{macrocode}