build.sh: fix SITE_GEN_SCRIPT

build.sh

@@ -40,7 +40,7 @@ IMAGE_DIR="${CODE_DIR}/output/images"
 MODULE_DIR="${CODE_DIR}/output/modules"
 MANIFEST_DIR="${CODE_DIR}/output/images/sysupgrade"
 VERSIONS_INFO_DIR="${MY_DIR}/versions"
-SITE_GEN_SCRIPT="${CODE_DIR}/packages/ffho/ffho/ffho-site-generate/scripts/gen-site-conf-lua"
+SITE_GEN_SCRIPT="${CODE_DIR}/packages/ffho/ffho/ffho-site-generate/scripts/gen-site-conf.lua"
 SRV_URL="firmware.in.ffho.net"
 SRV_USER="firmware"
 SRV_PATH="/srv/firmware"