Log Message:
libxcvt: update to 0.1.3.

Alan Coopersmith (2):
      cvt: fix -Wmissing-prototypes warning for cvt_is_standard
      libxcvt 0.1.3

Olivier Fourdan (1):
      ci: Update CI and enable static analysis

Peter Hutterer (1):
      README: remove double dollar sign

nyanpasu64 (3):
      Fix hsync_start computation
      Fix too-small back porch at very low resolutions
      Rename constant to CVT_MIN_V_PORCH_RND