[gnome-sound-recorder] main: Fix linting

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit 679eeba207f0eb7d9ee23a889e7a53a8831c6de6
Author: Gaurav Agrawal <agrawalgaurav1999 gmail com>
Date:   Wed Mar 4 01:23:18 2020 +0530

    main: Fix linting

 src/main.js | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/src/main.js b/src/main.js
index a196735..1e982c2 100644
--- a/src/main.js
+++ b/src/main.js
@@ -24,6 +24,7 @@
 // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* exported main */
 
 pkg.initGettext();
 pkg.initFormat();