lockscreen: Strip "figure-space" from am/pm time
Newer glib uses that instead of ' ' to pad the time.
We can drop the whole g_strv_length (parts) == 3
part once we require
glib 2.74 at runtime.
Thanks: Nicholas High for the detailed report Closes: #883 (closed)
Signed-off-by: Guido Günther agx@sigxcpu.org