doc: use the same formatting for the gcc command as for everything else

Without the @code tag, the font size differs to everything else in this file

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

diff --git a/doc/building.dox b/doc/building.dox
index 0deed137866e6e383470517b36aaaa07ae67a8f1..0ca1bb71bbd58e22d5ccb985bdd1aca74fb01b8b 100644 (file)
--- a/doc/building.dox
+++ b/doc/building.dox
@@ -190,7 +190,9 @@ Software that uses libinput should use pkg-config and the
 Otherwise, the most rudimentary way to compile and link a program against
 libinput is:
 
+@code
     gcc -o myprogram myprogram.c `pkg-config --cflags --libs libinput`
+@endcode
 
 For further information on using pkgconfig see the pkg-config documentation.