Use clang-format to format (somewhat) LLVM-style (fixes #44)

conninode.h

@@ -15,8 +15,9 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
+ *USA.
  *
  */
 // handling the connection->inode mapping
-void refreshconninode ();
+void refreshconninode();