vp9_ratectrl.c: apply clang-format
vp9_ratectrl.c: apply clang-format

after:
ff0a87c vp9 1pass vbr: Adjustment to gf interval.

Change-Id: I1296e53e601bf0c2b562e3a34082ac45c294a5f1

Topopiccione/libvpx,mwgoldsmith/libvpx,webmproject/libvpx,webmproject/libvpx,mwgoldsmith/vpx,mwgoldsmith/libvpx,webmproject/libvpx,Topopiccione/libvpx,ShiftMediaProject/libvpx,ShiftMediaProject/libvpx,mwgoldsmith/vpx,mwgoldsmith/libvpx,Topopiccione/libvpx,ShiftMediaProject/libvpx,ShiftMediaProject/libvpx,mwgoldsmith/vpx,mwgoldsmith/libvpx,Topopiccione/libvpx,ShiftMediaProject/libvpx,mwgoldsmith/vpx,mwgoldsmith/vpx,mwgoldsmith/libvpx,Topopiccione/libvpx,webmproject/libvpx,Topopiccione/libvpx,mwgoldsmith/libvpx,mwgoldsmith/vpx,webmproject/libvpx,webmproject/libvpx