fix erroneous dec->status_ setting
fix erroneous dec->status_ setting

We only need to set BITSTREAM_ERROR if !ok.

Change-Id: I5bd13e64797e8bc509477edb29158abb39cb0ee1

comoyo/gonzo-libwebp,rxl194/libwebp,yohunl/libwebp,ya7lelkom/libwebp,kim42083/webm.libwebp,abwiz0086/webm.libwebp,zofuthan/libwebp,jiehu5114/libwebp,kim42083/webm.libwebp,Suvarna1488/webm.libwebp,kleopatra999/webm.libwebp,imazen/libwebp,abwiz0086/webm.libwebp,matanbs/webm.libwebp,abwiz0086/webm.libwebp,Suvarna1488/webm.libwebp,altogother/webm.libwebp,jacklicn/libwebp,Acidburn0zzz/webm.libwebp,kalli123/webm.libwebp,comoyo/gonzo-libwebp,reimaginemedia/webm.libwebp,Suvarna1488/webm.libwebp,kleopatra999/webm.libwebp,jacklicn/libwebp,iniwf/webm.libwebp,ericmckean/webm.libwebp,abwiz0086/webm.libwebp,reimaginemedia/webm.libwebp,comoyo/gonzo-libwebp,matanbs/webm.libwebp,webmproject/libwebp,webmproject/libwebp,reimaginemedia/webm.libwebp,jiehu5114/libwebp,kalli123/webm.libwebp,gshORTON/webm.libwebp,comoyo/gonzo-libwebp,rxl194/libwebp,matanbs/webm.libwebp,rxl194/libwebp,PKRoma/libwebp,webmproject/libwebp,ericmckean/webm.libwebp,jiehu5114/libwebp,kim42083/webm.libwebp,redengineer/libwebp,gshORTON/webm.libwebp,yohunl/libwebp,kalli123/webm.libwebp,matanbs/webm.libwebp,imazen/libwebp,altogother/webm.libwebp,iniwf/webm.libwebp,Aexyn/libwebp,kim42083/webm.libwebp,yohunl/libwebp,kleopatra999/webm.libwebp,iniwf/webm.libwebp,altogother/webm.libwebp,Suvarna1488/webm.libwebp,reimaginemedia/webm.libwebp,Maria1099/webm.libwebp,comoyo/gonzo-libwebp,zofuthan/libwebp,ericmckean/webm.libwebp,kalli123/webm.libwebp,ya7lelkom/libwebp,jacklicn/libwebp,comoyo/gonzo-libwebp,Aexyn/libwebp,kleopatra999/webm.libwebp,gshORTON/webm.libwebp,iniwf/webm.libwebp,PKRoma/libwebp,kim42083/webm.libwebp,jacklicn/libwebp,altogother/webm.libwebp,jiehu5114/libwebp,Acidburn0zzz/webm.libwebp,jacklicn/libwebp,zofuthan/libwebp,ttyangf/libwebp,Maria1099/webm.libwebp,comoyo/gonzo-libwebp,ttyangf/libwebp,PKRoma/libwebp,altogother/webm.libwebp,abwiz0086/webm.libwebp,ttyangf/libwebp,zofuthan/libwebp,ya7lelkom/libwebp,redengineer/libwebp,Maria1099/webm.libwebp,Acidburn0zzz/webm.libwebp,Maria1099/webm.libwebp,webmproject/libwebp,ya7lelkom/libwebp,rxl194/libwebp,Suvarna1488/webm.libwebp,redengineer/libwebp,PKRoma/libwebp,imazen/libwebp,imazen/libwebp,Acidburn0zzz/webm.libwebp,yohunl/libwebp,matanbs/webm.libwebp,PKRoma/libwebp,reimaginemedia/webm.libwebp,jiehu5114/libwebp,ttyangf/libwebp,ttyangf/libwebp,redengineer/libwebp,kleopatra999/webm.libwebp,Aexyn/libwebp,ya7lelkom/libwebp,rxl194/libwebp,Aexyn/libwebp,ericmckean/webm.libwebp,Aexyn/libwebp,redengineer/libwebp,gshORTON/webm.libwebp,zofuthan/libwebp,Maria1099/webm.libwebp,yohunl/libwebp,iniwf/webm.libwebp,imazen/libwebp,webmproject/libwebp,kalli123/webm.libwebp,Acidburn0zzz/webm.libwebp,gshORTON/webm.libwebp,PKRoma/libwebp,ericmckean/webm.libwebp