fix non-linux X

simpledisplay.d

@@ -2334,6 +2334,7 @@ struct EventLoopImpl {
 					throw new Exception("can't create eventfd for custom event processing");
 				}
 			}
+		}
 
 		SimpleWindow.processAllCustomEvents(); // process events added before event FD creation
 
@@ -2342,7 +2343,6 @@ struct EventLoopImpl {
 			scope(exit) this.mtUnlock();
 			XPending(display); // no, really
 		}
-		}
 
 		disposed = false;
 	}
@@ -2362,6 +2362,7 @@ struct EventLoopImpl {
 				pulseFd = -1;
 			}
 
+				version(linux)
 				if(displayFd != -1) {
 					// clean up xlib fd when we exit, in case we come back later e.g. X disconnect and reconnect with new FD, don't want to still keep the old one around
 					ep.epoll_event ev = void;