Problem and fix reported by Bruno Haible in:
https://lists.gnu.org/r/bug-gnulib/2019-12/msg00202.html
* lib/strptime.c (day_of_the_week): Fix paren bug.
+2019-12-24 Paul Eggert <eggert@cs.ucla.edu>
+
+ strptime: fix typo in previous patch
+ Problem and fix reported by Bruno Haible in:
+ https://lists.gnu.org/r/bug-gnulib/2019-12/msg00202.html
+ * lib/strptime.c (day_of_the_week): Fix paren bug.
+
2019-12-24 Bruno Haible <bruno@clisp.org>
setlocale-null: Make it easy to rely on the lock in another library.
int wday = (-473
+ (365 * (tm->tm_year - 70))
+ corr_quad
- - (corr_quad + (corr_quad < 0)) / 25 - (corr_quad < 0)
+ - ((corr_quad + (corr_quad < 0)) / 25 - (corr_quad < 0))
+ ((corr_quad / 25) / 4)
+ __mon_yday[0][tm->tm_mon]
+ tm->tm_mday - 1);