systemd/systemd-services: fix wg-quick@ unit (MR 6218)

I accidentally commented out an important section header and didn't
notice until now...

[ci:skip-build]: already built successfully in CI

extra-repos/systemd/systemd-services/APKBUILD

@@ -7,7 +7,7 @@
 # How to add a new service file (5 steps):
 pkgname=systemd-services
 # 1. bump pkgver
-pkgver=50
+pkgver=51
 pkgrel=0
 pkgdesc="Systemd service files"
 url="https://postmarketos.org"
@@ -392,7 +392,7 @@ c7ea2b18c9d8f82306fbaca6d07b7019de3819d7898c3f50c3d0aceef4da4d311ed3bf31385e2f89
 6029a2cc1e7fbc00fea0b2abe9d4be6fa2a03cee4b7aceaecb2bbc94ddf1ed3127f1ce99a2e38c0e901261ed36aa3a616390da22364b40370b820023dc2b4a8e  user-vvmd.service
 841caa793d256cacea7eb651f3d77039b1c0ddb22727100d6cca74230e528aee09e945e1fdf20eaf40abbe3eaec9210eb7fa27144dc906cab65f8078b36921f9  system-waydroid-sensors.service
 023fc89481f9079ac2d2d6b8a9ab212cb13a6b309caaa92b336df4c6ee9cff05538f035f8411fd8f6b87ca73b400172f56022edbf02d3776ab6f2aa7af2eebef  system-waydroid-container.service
-1ee9be31c0122e473e51701f04072d6c66228efab626e4c037e8f393af5ce905b8549c53ee3efa656c4bc78ce992929055a8e17d6135b9bc9685d50a71bb2369  system-wg-quick@.service
+edc1dd480dbeb14dc9dd164f7d75e3580d5b6ed14a1c033336ac024c18ae47ba54803ff3f2744e69f33cc072aa8c343e1a06c0ec5e269a1cc652ca1e9c117991  system-wg-quick@.service
 ff5e1481d00d870b39fa8f11545b1a3bff7ac0278440d329f600d4493de8628c120b95268494e6b87666c4743a6598afdf23778c7e666c12e1a5614fbff0e8ae  system-wpa_supplicant.service
 0ee2f844819c5f954d269d3703c17b5e51888bb89bd4376d3960f97735b1ba9769c932817270fdb75b8ddf291c21ab6eb78d1a8bde14aac83564881b36914066  user-xdg-desktop-portal-gnome.service
 eb01dd32fc598e49cbae31847aee4c3e28ee5014df052d65ad02c9a943a9e3399a4a119aa136630efef1157e31f6adc2d8420f8e72dc9da4c0b72645e4c84faa  user-xdg-desktop-portal-gtk.service

extra-repos/systemd/systemd-services/system-wg-quick@.service

-# [Unit]
+[Unit]
 Description=WireGuard via wg-quick(8) for %I
 After=network-online.target nss-lookup.target
 Wants=network-online.target nss-lookup.target