wm: Fade screen on signout.

real_x_connection.cc

Index: real_x_connection.cc
diff --git a/real_x_connection.cc b/real_x_connection.cc
index ae11100f0d73e9cc0a90ac295897ab124db4ff78..4a77d1a8ccafb1f4f6ea97c068587b9a872f3540 100644
--- a/real_x_connection.cc
+++ b/real_x_connection.cc
@@ -315,7 +315,7 @@ bool RealXConnection::GrabPointer(XWindow xid,
 
   if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
     LOG(WARNING) << "Pointer grab for window " << XidStr(xid)
-                 << " returned status " << reply->status;
+                 << " returned status " << static_cast<int>(reply->status);
     return false;
   }
   return true;
@@ -348,7 +348,7 @@ bool RealXConnection::GrabKeyboard(XWindow xid, XTime timestamp) {
 
   if (reply->status != XCB_GRAB_STATUS_SUCCESS) {
     LOG(WARNING) << "Keyboard grab for window " << XidStr(xid)
-                 << " returned status " << reply->status;
+                 << " returned status " << static_cast<int>(reply->status);
     return false;
   }
   return true;