rebuild with ghc 8.6.1

PKGBUILD

@@ -3,7 +3,7 @@
 _hkgname=data-bword
 pkgname=haskell-data-bword
 pkgver=0.1.0.1
-pkgrel=8
+pkgrel=9
 pkgdesc="Extra operations on binary words of fixed length"
 url="https://github.com/mvv/data-bword"
 license=('custom:BSD3')
@@ -14,10 +14,10 @@ source=("https://hackage.haskell.org/packages/archive/${_hkgname}/${pkgver}/${_h
 sha512sums=('16338a0c4c8bd2cd9c676ae6986fdb167809c361d770f953074fecc3cb5626ca99cc9999826c3e5a2e925177f95e3f8ef40715764b0ffb09ddde6ecd593d0e76')
 
 build() {
-    cd "${srcdir}/${_hkgname}-${pkgver}"
+    cd $_hkgname-$pkgver
 
     runhaskell Setup configure -O --enable-shared --enable-executable-dynamic --disable-library-vanilla \
-        --prefix=/usr --docdir="/usr/share/doc/${pkgname}" \
+        --prefix=/usr --docdir=/usr/share/doc/$pkgname \
         --dynlibdir=/usr/lib --libsubdir=\$compiler/site-local/\$pkgid
     runhaskell Setup build
     runhaskell Setup register --gen-script
@@ -27,11 +27,11 @@ build() {
 }
 
 package() {
-    cd "${srcdir}/${_hkgname}-${pkgver}"
+    cd $_hkgname-$pkgver
 
-    install -D -m744 register.sh   "${pkgdir}/usr/share/haskell/register/${pkgname}.sh"
-    install -D -m744 unregister.sh "${pkgdir}/usr/share/haskell/unregister/${pkgname}.sh"
-    runhaskell Setup copy --destdir="${pkgdir}"
+    install -D -m744 register.sh "$pkgdir"/usr/share/haskell/register/$pkgname.sh
+    install -D -m744 unregister.sh "$pkgdir"/usr/share/haskell/unregister/$pkgname.sh
+    runhaskell Setup copy --destdir="$pkgdir"
     install -D -m644 "LICENSE" "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
     rm -f "${pkgdir}/usr/share/doc/${pkgname}/LICENSE"
 }