Add missing errno.h include

drkonqi/detachedprocessmonitor.cpp

@@ -16,6 +16,7 @@
 */
 #include "detachedprocessmonitor.h"
 
+#include <errno.h>
 #include <signal.h>
 
 #include <QtCore/QTimerEvent>

drkonqi/systeminformation.cpp

@@ -23,6 +23,7 @@
 #include "systeminformation.h"
 
 #ifdef HAVE_UNAME
+# include <errno.h>
 # include <sys/utsname.h>
 #endif
 

ksmserver/screenlocker/greeter/authenticator.cpp

@@ -30,10 +30,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <QTimer>
 
 // system
-#include <unistd.h>
+#include <errno.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
 Authenticator::Authenticator(QObject *parent)
     : QObject(parent)