Backport r1164726: Fix build on Solaris due to missing include.

Thanks to tropikhajma for the patch.

CCBUG:243863

svn path=/branches/KDE/4.5/kdenetwork/krfb/; revision=1164729

connectioncontroller.cpp

@@ -36,6 +36,7 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
+#include <strings.h>
 
 
 static QString peerAddress(int sock) {