get rid of spaces after comparison operators to avoid them being treated as separate requirements

bin/compile

@@ -75,7 +75,7 @@ function resolve_version() {
 function package_engine_version() {
   version=$(cat $BUILD_DIR/package.json | $bootstrap_node/bin/node $LP_DIR/vendor/json/json engines.$1 2>/dev/null)
   if [ $? == 0 ]; then
-    echo $version
+    echo $version | sed -e 's/\([<>=]\) /\1/g'
   fi
 }