Tiny vp9_picklpf.c cleanup.
Tiny vp9_picklpf.c cleanup.

Change-Id: I1804c3629c3df2b67438e87196ab35fafaddaa24

mbebenita/aom,Maria1099/webm.libvpx,Distrotech/libvpx,stewnorriss/libvpx,Maria1099/webm.libvpx,hsueceumd/test_hui,matanbs/webm.libvpx,ittiamvpx/libvpx-1,openpeer/libvpx_new,Distrotech/libvpx,shareefalis/libvpx,running770/libvpx,reimaginemedia/webm.libvpx,webmproject/libvpx,ittiamvpx/libvpx,gshORTON/webm.libvpx,altogother/webm.libvpx,jdm/libvpx,kleopatra999/webm.libvpx,Topopiccione/libvpx,Laknot/libvpx,lyx2014/libvpx_c,matanbs/webm.libvpx,webmproject/libvpx,mbebenita/aom,running770/libvpx,luctrudeau/aom,Laknot/libvpx,zofuthan/libvpx,matanbs/vp982,abwiz0086/webm.libvpx,VTCSecureLLC/libvpx,Suvarna1488/webm.libvpx,Suvarna1488/webm.libvpx,mwgoldsmith/vpx,mbebenita/aom,goodleixiao/vpx,kalli123/webm.libvpx,mbebenita/aom,pcwalton/libvpx,smarter/aom,kim42083/webm.libvpx,shyamalschandra/libvpx,ShiftMediaProject/libvpx,iniwf/webm.libvpx,mwgoldsmith/libvpx,Acidburn0zzz/webm.libvpx,shacklettbp/aom,jmvalin/aom,abwiz0086/webm.libvpx,ittiamvpx/libvpx,gshORTON/webm.libvpx,jdm/libvpx,webmproject/libvpx,mwgoldsmith/vpx,n4t/libvpx,Distrotech/libvpx,jacklicn/webm.libvpx,jmvalin/aom,shyamalschandra/libvpx,pcwalton/libvpx,Laknot/libvpx,altogother/webm.libvpx,felipebetancur/libvpx,matanbs/vp982,charup/https---github.com-webmproject-libvpx-,goodleixiao/vpx,luctrudeau/aom,thdav/aom,smarter/aom,kim42083/webm.libvpx,shacklettbp/aom,kalli123/webm.libvpx,charup/https---github.com-webmproject-libvpx-,GrokImageCompression/aom,kalli123/webm.libvpx,mwgoldsmith/vpx,thdav/aom,ShiftMediaProject/libvpx,Distrotech/libvpx,shareefalis/libvpx,thdav/aom,abwiz0086/webm.libvpx,jdm/libvpx,shacklettbp/aom,matanbs/webm.libvpx,jdm/libvpx,liqianggao/libvpx,running770/libvpx,charup/https---github.com-webmproject-libvpx-,Topopiccione/libvpx,mbebenita/aom,reimaginemedia/webm.libvpx,VTCSecureLLC/libvpx,ShiftMediaProject/libvpx,openpeer/libvpx_new,zofuthan/libvpx,n4t/libvpx,thdav/aom,ittiamvpx/libvpx,goodleixiao/vpx,hsueceumd/test_hui,Topopiccione/libvpx,shyamalschandra/libvpx,kim42083/webm.libvpx,charup/https---github.com-webmproject-libvpx-,ittiamvpx/libvpx-1,ittiamvpx/libvpx,Suvarna1488/webm.libvpx,felipebetancur/libvpx,altogother/webm.libvpx,zofuthan/libvpx,matanbs/vp982,Laknot/libvpx,matanbs/vp982,charup/https---github.com-webmproject-libvpx-,smarter/aom,hsueceumd/test_hui,goodleixiao/vpx,Topopiccione/libvpx,ittiamvpx/libvpx,matanbs/vp982,ShiftMediaProject/libvpx,Acidburn0zzz/webm.libvpx,GrokImageCompression/aom,Acidburn0zzz/webm.libvpx,mwgoldsmith/libvpx,stewnorriss/libvpx,jmvalin/aom,WebRTC-Labs/libvpx,matanbs/webm.libvpx,gshORTON/webm.libvpx,openpeer/libvpx_new,zofuthan/libvpx,hsueceumd/test_hui,webmproject/libvpx,mbebenita/aom,reimaginemedia/webm.libvpx,WebRTC-Labs/libvpx,shyamalschandra/libvpx,WebRTC-Labs/libvpx,stewnorriss/libvpx,GrokImageCompression/aom,goodleixiao/vpx,running770/libvpx,webmproject/libvpx,iniwf/webm.libvpx,felipebetancur/libvpx,pcwalton/libvpx,iniwf/webm.libvpx,gshORTON/webm.libvpx,lyx2014/libvpx_c,shyamalschandra/libvpx,lyx2014/libvpx_c,Suvarna1488/webm.libvpx,ittiamvpx/libvpx-1,lyx2014/libvpx_c,kleopatra999/webm.libvpx,n4t/libvpx,VTCSecureLLC/libvpx,jacklicn/webm.libvpx,kleopatra999/webm.libvpx,Suvarna1488/webm.libvpx,Laknot/libvpx,Acidburn0zzz/webm.libvpx,VTCSecureLLC/libvpx,luctrudeau/aom,matanbs/webm.libvpx,kalli123/webm.libvpx,hsueceumd/test_hui,jmvalin/aom,goodleixiao/vpx,GrokImageCompression/aom,Maria1099/webm.libvpx,jmvalin/aom,jacklicn/webm.libvpx,altogother/webm.libvpx,shareefalis/libvpx,stewnorriss/libvpx,jacklicn/webm.libvpx,jdm/libvpx,felipebetancur/libvpx,mwgoldsmith/vpx,liqianggao/libvpx,openpeer/libvpx_new,openpeer/libvpx_new,ittiamvpx/libvpx-1,pcwalton/libvpx,pcwalton/libvpx,mwgoldsmith/libvpx,felipebetancur/libvpx,liqianggao/libvpx,Laknot/libvpx,kleopatra999/webm.libvpx,stewnorriss/libvpx,smarter/aom,jmvalin/aom,mbebenita/aom,matanbs/vp982,Acidburn0zzz/webm.libvpx,stewnorriss/libvpx,mbebenita/aom,GrokImageCompression/aom,shacklettbp/aom,n4t/libvpx,shyamalschandra/libvpx,n4t/libvpx,mwgoldsmith/libvpx,mwgoldsmith/libvpx,shareefalis/libvpx,iniwf/webm.libvpx,pcwalton/libvpx,abwiz0086/webm.libvpx,zofuthan/libvpx,liqianggao/libvpx,liqianggao/libvpx,smarter/aom,jacklicn/webm.libvpx,thdav/aom,luctrudeau/aom,Maria1099/webm.libvpx,lyx2014/libvpx_c,Suvarna1488/webm.libvpx,WebRTC-Labs/libvpx,jacklicn/webm.libvpx,kleopatra999/webm.libvpx,matanbs/webm.libvpx,reimaginemedia/webm.libvpx,gshORTON/webm.libvpx,Distrotech/libvpx,kleopatra999/webm.libvpx,shareefalis/libvpx,Distrotech/libvpx,kalli123/webm.libvpx,charup/https---github.com-webmproject-libvpx-,altogother/webm.libvpx,reimaginemedia/webm.libvpx,shareefalis/libvpx,ittiamvpx/libvpx-1,GrokImageCompression/aom,kim42083/webm.libvpx,mwgoldsmith/libvpx,Acidburn0zzz/webm.libvpx,webmproject/libvpx,abwiz0086/webm.libvpx,shacklettbp/aom,running770/libvpx,Topopiccione/libvpx,ShiftMediaProject/libvpx,zofuthan/libvpx,shacklettbp/aom,ittiamvpx/libvpx-1,Maria1099/webm.libvpx,VTCSecureLLC/libvpx,openpeer/libvpx_new,abwiz0086/webm.libvpx,liqianggao/libvpx,mwgoldsmith/vpx,kim42083/webm.libvpx,Maria1099/webm.libvpx,thdav/aom,lyx2014/libvpx_c,matanbs/vp982,mwgoldsmith/vpx,iniwf/webm.libvpx,luctrudeau/aom,Topopiccione/libvpx,gshORTON/webm.libvpx,felipebetancur/libvpx,ittiamvpx/libvpx,kalli123/webm.libvpx,altogother/webm.libvpx,running770/libvpx,reimaginemedia/webm.libvpx,VTCSecureLLC/libvpx,luctrudeau/aom,kim42083/webm.libvpx,hsueceumd/test_hui,jdm/libvpx,WebRTC-Labs/libvpx,iniwf/webm.libvpx,smarter/aom,mbebenita/aom