only print GIF_DISPOSE_WARNING once
only print GIF_DISPOSE_WARNING once

Change-Id: Iece235a6ee767cc2e3866bb6c9bb1d56d9a9ffb9

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