Fix saving xlogfile realtime

include/patchlevel.h

@@ -14,7 +14,7 @@
  * Incrementing EDITLEVEL can be used to force invalidation of old bones
  * and save files.
  */
-#define EDITLEVEL	61
+#define EDITLEVEL	62
 
 #define COPYRIGHT_BANNER_A \
 "NetHack, Copyright 1985-2015"

include/you.h

@@ -67,7 +67,7 @@ struct u_achieve {
 };
 
 struct u_realtime {
-	time_t realtime;		/* actual playing time up until the last restore */
+	long realtime;			/* actual playing time up until the last restore, seconds */
 	time_t restored;		/* time the game was started or restored */
 	time_t endtime;
 };