MSVC does not support the %F and %T format specifiers in strftime.
Replace that with the expanded version. This fixes the broken fate
tests in MSVC (webm-dash-manifest-*).
Signed-off-by: Vignesh Venkatasubramanian <vigneshv@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>