Fix static analysis failures

src/freedombone-app-friendica

@@ -116,7 +116,7 @@ function friendica_channel_directory_server {
     data=$(mktemp 2>/dev/null)
     dialog --title $"Friendica channel directory server" \
            --backtitle $"Freedombone Control Panel" \
-           --inputbox $"When you click on 'channel directory' this is where Friendica will obtain its list from" 8 60 "$CURR_DIR_SERVER" 2>$data
+           --inputbox $"When you click on 'channel directory' this is where Friendica will obtain its list from" 8 60 "$CURR_DIR_SERVER" 2>"$data"
     sel=$?
     case $sel in
         0)
@@ -521,7 +521,7 @@ function install_friendica {
           echo "        # server, which is entirely possible with php-fpm/php-fcgi.";
           echo "        # Comment the 'try_files' line out if you set up php-fpm/php-fcgi on";
           echo "        # another machine. And then cross your fingers that you won't get hacked.";
-          echo '        try_files $uri $uri/ /index.php;';
+          echo "        try_files \$uri \$uri/ /index.php;";
           echo '        # NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini';
           echo '        fastcgi_split_path_info ^(.+\.php)(/.+)$;';
           echo '        # With php-cgi alone:';