[ruby/date] Enclose dangling else in braces and fix -Wmisleading-indentation
date_strptime.c:253:324: warning: misleading indentation;
statement is not part of the previous 'if' [-Wmisleading-indentation]
253 | ...((VALUE)RUBY_Qtrue)); return 0; } while (0); si += l; } while (0);
| ^
date_strptime.c:252:7: note: previous statement is here
252 | else
| ^
[ruby/date] Enclose dangling else in braces and fix -Wmisleading-indentation
https://github.com/ruby/date/commit/41aed5b746