[hostinfo] Fix build on FreeBSD (include order)

- while here apply coding style again

src/modules/hostinfo/HostInfoJob.cpp

@@ -31,8 +31,9 @@
 #endif
 
 #ifdef Q_OS_FREEBSD
-#include <sys/sysctl.h>
 #include <sys/types.h>
+
+#include <sys/sysctl.h>
 #endif
 
 HostInfoJob::HostInfoJob( QObject* parent )

src/modules/hostinfo/HostInfoJob.h

@@ -27,20 +27,20 @@
 #include <QVariantMap>
 
 /** @brief the compile-time host OS
- * 
+ *
  * Returns "FreeBSD" or "Linux" or empty.
  */
 QString hostOS();
 
 /** @brief the run-time host OS
- * 
+ *
  * Returns os-release NAME information, or if that is blank or not available,
  * the same as hostOS().
  */
 QString hostOSName();
 
 /** @brief the run-time CPU architecture
- * 
+ *
  * Returns "Intel" or "AMD" or blank, if Calamares can determine what
  * CPU is currently in use (based on /proc/cpuinfo or hw.model).
  */