dc_left_pred[48]: fix pic builds
dc_left_pred[48]: fix pic builds

GET_GOT modifies the stack pointer so the offset for left's address will
be wrong if loaded afterword.

Change-Id: Iff9433aec45f5f6fe1a59ed8080c589bad429536

mwgoldsmith/libvpx,thdav/aom,mwgoldsmith/libvpx,smarter/aom,mwgoldsmith/vpx,thdav/aom,openpeer/libvpx_new,jmvalin/aom,ittiamvpx/libvpx-1,Topopiccione/libvpx,mwgoldsmith/libvpx,webmproject/libvpx,smarter/aom,ittiamvpx/libvpx-1,jmvalin/aom,thdav/aom,mwgoldsmith/libvpx,ShiftMediaProject/libvpx,openpeer/libvpx_new,webmproject/libvpx,smarter/aom,jmvalin/aom,Topopiccione/libvpx,mbebenita/aom,openpeer/libvpx_new,mwgoldsmith/vpx,ittiamvpx/libvpx-1,jmvalin/aom,ShiftMediaProject/libvpx,ittiamvpx/libvpx-1,luctrudeau/aom,openpeer/libvpx_new,GrokImageCompression/aom,shacklettbp/aom,ShiftMediaProject/libvpx,mbebenita/aom,Topopiccione/libvpx,shacklettbp/aom,thdav/aom,shacklettbp/aom,thdav/aom,mwgoldsmith/vpx,Topopiccione/libvpx,mwgoldsmith/vpx,mwgoldsmith/libvpx,GrokImageCompression/aom,smarter/aom,mbebenita/aom,mbebenita/aom,mbebenita/aom,GrokImageCompression/aom,webmproject/libvpx,mbebenita/aom,webmproject/libvpx,mbebenita/aom,smarter/aom,mbebenita/aom,luctrudeau/aom,luctrudeau/aom,webmproject/libvpx,mbebenita/aom,Topopiccione/libvpx,shacklettbp/aom,luctrudeau/aom,webmproject/libvpx,ittiamvpx/libvpx-1,shacklettbp/aom,luctrudeau/aom,ShiftMediaProject/libvpx,ittiamvpx/libvpx-1,luctrudeau/aom,mwgoldsmith/libvpx,openpeer/libvpx_new,mwgoldsmith/vpx,Topopiccione/libvpx,thdav/aom,smarter/aom,GrokImageCompression/aom,jmvalin/aom,ShiftMediaProject/libvpx,GrokImageCompression/aom,shacklettbp/aom,jmvalin/aom,GrokImageCompression/aom,mwgoldsmith/vpx,openpeer/libvpx_new