--- a/lib/getdate.y
+++ b/lib/getdate.y
@@ -867,16 +867,16 @@
 {
   int ay = a->tm_year + (TM_YEAR_ORIGIN - 1);
   int by = b->tm_year + (TM_YEAR_ORIGIN - 1);
-  int days = (
-	      /* difference in day of year */
-	      a->tm_yday - b->tm_yday
-	      /* + intervening leap days */
-	      +  ((ay >> 2) - (by >> 2))
-	      -  (ay/100 - by/100)
-	      +  ((ay/100 >> 2) - (by/100 >> 2))
-	      /* + difference in years * 365 */
-	      +  (long)(ay-by) * 365
-	      );
+  long days = (
+	       /* difference in day of year */
+	       a->tm_yday - b->tm_yday
+	       /* + intervening leap days */
+	       +  ((ay >> 2) - (by >> 2))
+	       -  (ay/100 - by/100)
+	       +  ((ay/100 >> 2) - (by/100 >> 2))
+	       /* + difference in years * 365 */
+	       +  (long)(ay-by) * 365
+	       );
   return (60*(60*(24*days + (a->tm_hour - b->tm_hour))
 	      + (a->tm_min - b->tm_min))
 	  + (a->tm_sec - b->tm_sec));