calendar: Avoid warnings for new "%OB" format
authorMatthias Clasen <mclasen@redhat.com>
Sat, 17 Feb 2018 22:03:49 +0000 (17:03 -0500)
committerMatthias Clasen <mclasen@redhat.com>
Sat, 17 Feb 2018 22:12:45 +0000 (17:12 -0500)
commitf42ebef9d186ff87df2bbe0a37d7d14e58103577
tree435e793ca47da5ffcd5fee1d9215cb9f2e0dd40e
parentcfcd0f888dafdcceacbf30e9aeae2e058858c81c
calendar: Avoid warnings for new "%OB" format

Use the same code we have in gtk-3-22 to deal with strftime()
not supporting %OB, and avoid compiler warnings for non-literal
format strings.
gtk/gtkcalendar.c