Resolve automake warnings
Resolve automake warnings

patch by Jan Engelhardt (jengelh at medozas dot de)

fixes http://code.google.com/p/webp/issues/detail?id=60

Change-Id: Ifd07974e89bdc18da4c2f4667a9cae9f6c07e649

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