io->teardown() was not always called upon error
io->teardown() was not always called upon error

Change-Id: I8317139b583124fc20754b9b19aa4dba51cd05af

zofuthan/libwebp,ttyangf/libwebp,Acidburn0zzz/webm.libwebp,Tekserve/libwebp,ttyangf/libwebp,abwiz0086/webm.libwebp,reimaginemedia/webm.libwebp,webmproject/libwebp,jacklicn/libwebp,ericmckean/webm.libwebp,zofuthan/libwebp,altogother/webm.libwebp,cysp/libwebp,PKRoma/libwebp,gshORTON/webm.libwebp,Distrotech/libwebp,ya7lelkom/libwebp,kim42083/webm.libwebp,appunite/libwebp,Distrotech/libwebp,Maria1099/webm.libwebp,rxl194/libwebp,altogother/webm.libwebp,dumganhar/libwebp,ericmckean/webm.libwebp,Aexyn/libwebp,webmproject/libwebp,iniwf/webm.libwebp,imazen/libwebp,jiehu5114/libwebp,kim42083/webm.libwebp,redengineer/libwebp,Tekserve/libwebp,PKRoma/libwebp,altogother/webm.libwebp,iniwf/webm.libwebp,yohunl/libwebp,dumganhar/libwebp,comoyo/gonzo-libwebp,kleopatra999/webm.libwebp,kleopatra999/webm.libwebp,Suvarna1488/webm.libwebp,redengineer/libwebp,redengineer/libwebp,kalli123/webm.libwebp,comoyo/gonzo-libwebp,Acidburn0zzz/webm.libwebp,ttyangf/libwebp,matanbs/webm.libwebp,comoyo/gonzo-libwebp,keane83/BLE_IM,ya7lelkom/libwebp,webmproject/libwebp,keane83/BLE_IM,reimaginemedia/webm.libwebp,Aexyn/libwebp,Maria1099/webm.libwebp,jacklicn/libwebp,jiehu5114/libwebp,yohunl/libwebp,dumganhar/libwebp,kleopatra999/webm.libwebp,yohunl/libwebp,ttyangf/libwebp,imazen/libwebp,gshORTON/webm.libwebp,jiehu5114/libwebp,ericmckean/webm.libwebp,ya7lelkom/libwebp,webmproject/libwebp,ya7lelkom/libwebp,Acidburn0zzz/webm.libwebp,PKRoma/libwebp,comoyo/gonzo-libwebp,comoyo/gonzo-libwebp,rxl194/libwebp,yohunl/libwebp,kleopatra999/webm.libwebp,Suvarna1488/webm.libwebp,imazen/libwebp,ericmckean/webm.libwebp,matanbs/webm.libwebp,PKRoma/libwebp,Tekserve/libwebp,gshORTON/webm.libwebp,ya7lelkom/libwebp,matanbs/webm.libwebp,iniwf/webm.libwebp,matanbs/webm.libwebp,abwiz0086/webm.libwebp,kalli123/webm.libwebp,yohunl/libwebp,imazen/libwebp,abwiz0086/webm.libwebp,ericmckean/webm.libwebp,altogother/webm.libwebp,appunite/libwebp,rxl194/libwebp,jiehu5114/libwebp,Acidburn0zzz/webm.libwebp,kleopatra999/webm.libwebp,Maria1099/webm.libwebp,rxl194/libwebp,jacklicn/libwebp,appunite/libwebp,Aexyn/libwebp,ttyangf/libwebp,Suvarna1488/webm.libwebp,kim42083/webm.libwebp,comoyo/gonzo-libwebp,imazen/libwebp,abwiz0086/webm.libwebp,comoyo/gonzo-libwebp,redengineer/libwebp,kim42083/webm.libwebp,gshORTON/webm.libwebp,Aexyn/libwebp,webmproject/libwebp,kalli123/webm.libwebp,reimaginemedia/webm.libwebp,iniwf/webm.libwebp,zofuthan/libwebp,kim42083/webm.libwebp,kalli123/webm.libwebp,appunite/libwebp,kalli123/webm.libwebp,jacklicn/libwebp,rxl194/libwebp,Suvarna1488/webm.libwebp,Aexyn/libwebp,jiehu5114/libwebp,jacklicn/libwebp,cysp/libwebp,Maria1099/webm.libwebp,Maria1099/webm.libwebp,zofuthan/libwebp,reimaginemedia/webm.libwebp,Suvarna1488/webm.libwebp,keane83/BLE_IM,redengineer/libwebp,zofuthan/libwebp,reimaginemedia/webm.libwebp,keane83/BLE_IM,abwiz0086/webm.libwebp,Distrotech/libwebp,altogother/webm.libwebp,PKRoma/libwebp,PKRoma/libwebp,appunite/libwebp,Acidburn0zzz/webm.libwebp,gshORTON/webm.libwebp,cysp/libwebp,cysp/libwebp,keane83/BLE_IM,matanbs/webm.libwebp,Tekserve/libwebp,iniwf/webm.libwebp,appunite/libwebp