cwebp: exit immediately on version mismatch
cwebp: exit immediately on version mismatch

{Picture,Config}Init don't do allocations and attempting to free any of
their contents on version mismatch will likely cause a crash

Change-Id: I2a5aece235f9680fb406aec4799adceea7f62cfc

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