dec/dsp_sse2: fix visual studio compile
dec/dsp_sse2: fix visual studio compile

This addresses issue #80

Change-Id: Ia81ae21f85266dd64d39da63ff2fae33f9a572dc

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