namcap doesn't throw errors

PKGBUILD

@@ -5,16 +5,16 @@ pkgrel=1
 pkgdesc="Program for preprogramm or remote control your Behringer X32 console"
 arch=('i686' 'x86_64')
 url="http://www.behringer.com/EN/products/X32.aspx"
-license=('')
+license=('custom')
 depends=(glibc)
-archive="X32-Edit_V${pkgver}_Linux.tar.gz"
-source=(http://www.behringerdownload.de/X32/${archive})
+_archive="X32-Edit_V${pkgver}_Linux.tar.gz"
+source=(http://www.behringerdownload.de/X32/${_archive})
 md5sums=('35d978adf7f432a291ebcf7da4ec00ad')
 
 package()
 {
     cd "${srcdir}/${pkgname}-${pkgver}"
-    tar xf ${archive}
+    tar xf ${_archive}
     mv X32-Edit ${pkgdir}/opt/
 }