dev: util/build.sh: fixed command line argument validation and environment variable usage.

Author: Johnny Wang

util/build.sh

@@ -25,13 +25,13 @@ force=$2
 add_fake_shm_module="--add-module=$root/t/data/fake-shm-module"
 
 add_http3_module=--with-http_v3_module
-answer=`$root/util/ver-ge "$NGINX_VERSION" 1.25.1`
+answer=`$root/util/ver-ge "$version" 1.25.1`
 if [ "$OPENSSL_VER" = "1.1.0l" ] || [ "$answer" = "N" ]; then
     add_http3_module=""
 fi
 
 disable_pcre2=--without-pcre2
-answer=`$root/util/ver-ge "$NGINX_VERSION" 1.25.1`
+answer=`$root/util/ver-ge "$version" 1.25.1`
 if [ "$answer" = "N" ] || [ "$USE_PCRE2" = "Y" ]; then
     disable_pcre2=""
 fi