chmod suid sandbox for firejail users

.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = brave-bin
 	pkgdesc = Web browser that blocks ads and trackers by default (binary release).
 	pkgver = 1.17.73
-	pkgrel = 1
+	pkgrel = 2
 	epoch = 1
 	url = https://brave.com/download
 	arch = x86_64

PKGBUILD

@@ -9,7 +9,7 @@
 
 pkgname=brave-bin
 pkgver=1.17.73
-pkgrel=1
+pkgrel=2
 epoch=1
 pkgdesc="Web browser that blocks ads and trackers by default (binary release)."
 arch=("x86_64")
@@ -45,6 +45,9 @@ package() {
     install -d -m0755 "$pkgdir/usr/lib"
     cp -a --reflink=auto $_bsdtardir "$pkgdir/usr/lib/$pkgname"
 
+    # allow firejail users to get the suid sandbox working
+    chmod 4755 $pkgdir/usr/lib/brave-bin/chrome-sandbox
+
     install -Dm0755 "$pkgname.sh" "$pkgdir/usr/bin/brave"
     install -Dm0644 -t "$pkgdir/usr/share/applications" "brave-browser.desktop"
     install -Dm0644 "logo.png" "$pkgdir/usr/share/pixmaps/brave.png"