build-script-impl: fix the build when distcc is not enabled

Author: gribozavr

utils/build-script-impl

@@ -1885,9 +1885,9 @@ for deployment_target in "${HOST_TARGET}" "${CROSS_COMPILE_TOOLS_DEPLOYMENT_TARG
             set -x
             mkdir -p "${build_dir}"
             if [[ -n "${DISTCC}" ]]; then
-                EXTRA_DISTCC_OPTIONS="DISTCC_HOSTS=localhost,lzo,cpp"
+                EXTRA_DISTCC_OPTIONS=("DISTCC_HOSTS=localhost,lzo,cpp")
             fi
-            (cd "${build_dir}" && env "${EXTRA_DISTCC_OPTIONS}" "${CMAKE}" "${cmake_options[@]}" "${EXTRA_CMAKE_OPTIONS[@]}" "${source_dir}")
+            (cd "${build_dir}" && env "${EXTRA_DISTCC_OPTIONS[@]}" "${CMAKE}" "${cmake_options[@]}" "${EXTRA_CMAKE_OPTIONS[@]}" "${source_dir}")
             { set +x; } 2>/dev/null
         fi