autoconf: add --disable-wic
autoconf: add --disable-wic

this allows windows builds to prefer libjpeg, libpng etc. for import and
export

Change-Id: Ibe1648b68a3f7b5016044e82530843dea46a94a4

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