Fix Nginx installer

lemper.sh

@@ -85,7 +85,7 @@ function create_swap() {
 }
 
 function remove_swap() {
-    echo "Disabling swap..."
+    echo -e "\nDisabling swap..."
 
     L_SWAP_FILE="/lemper-swapfile"
 

scripts/install_nginx_from_source.sh

@@ -734,6 +734,7 @@ with --no-deps-check."
 			cd ngx_brotli || exit 1
 			run git checkout v0.1.3rc
 			run git submodule update --init
+            cd ../
 
             if "$DYNAMIC_MODULE"; then
                 add_extra_modules=("--add-dynamic-module=$extra_module_dir/ngx_brotli" "${add_extra_modules[@]}")