Fix wasm WebP compilation
Fix wasm WebP compilation

Change-Id: I6638628fbf3b7ae310bc892c9ca49678d1098b9b

PKRoma/libwebp,PKRoma/libwebp,PKRoma/libwebp,webmproject/libwebp,PKRoma/libwebp,PKRoma/libwebp,PKRoma/libwebp,webmproject/libwebp,webmproject/libwebp,webmproject/libwebp,webmproject/libwebp