cwebp output size consistency:
cwebp output size consistency:

In case of lossless too, it should report full file size.
Fixes this issue: http://code.google.com/p/webp/issues/detail?id=126

Change-Id: I96e2bf09e6c9470a0267f5eea911d9b40d1addb3

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