Fix kdelibs/kio build on windows

[Michael Drüing]

Hi,

this is needed because the S_IR??? constants are declared in sys/stat.h (or
rather kdelibs/win/include/msvc/sys/stat.h)

--Michael

Index: kio/kio/kfileitem.cpp
===================================================================
--- kio/kio/kfileitem.cpp       (revision 528836)
+++ kio/kio/kfileitem.cpp       (working copy)
@@ -24,6 +24,7 @@
 #endif

 #include <sys/time.h>
+#include <sys/stat.h>
 #include <pwd.h>
 #include <grp.h>
 #include <sys/types.h>