kaudiocreator: rebuild against new libmusicbrainz

kaudiocreator/PKGBUILD

@@ -1,6 +1,6 @@
 pkgname=kaudiocreator
 pkgver=1.3
-pkgrel=3
+pkgrel=4
 pkgdesc="A program for ripping and encoding Audio-CDs, encoding files from disk"
 arch=('x86_64')
 url="http://www.kde-apps.org/content/show.php/KAudioCreator?content=107645"
@@ -8,21 +8,20 @@ license=('GPL')
 depends=('taglib' 'libdiscid' 'libkcddb4' 'libkcompactdisc4') 
 makedepends=('cmake' 'automoc4')
 categories=('multimedia')
-install="${pkgname}.install"
+install="$pkgname.install"
 source=("https://dl.opendesktop.org/api/files/download/id/1466629608/107645-kaudiocreator-$pkgver.tar.bz2")
 md5sums=('6adce848d3cdc9d80a52d35144890c86')
 
 build() {
-  cd ${srcdir}
   mkdir build
   cd build
-  cmake ../${pkgname}-${pkgver} \
+  cmake ../$pkgname-$pkgver \
     -DCMAKE_BUILD_TYPE=Release \
     -DCMAKE_INSTALL_PREFIX=/usr
   make
 }
 
 package() {
-  cd ${srcdir}/build
-  make DESTDIR=${pkgdir} install
+  cd build
+  make DESTDIR=$pkgdir install
 }