aspell: fix PKGBUILD

function CHECK:
- fix variable
- remove make flag '-k'
- remove .sig file from sources since public key unknown
  ERROR: aspell-0.60.8.tar.gz ... FAILED (unknown public key B6D9D0CC38B327D7)

aspell/PKGBUILD

@@ -2,7 +2,7 @@
 
 pkgname=("aspell" "aspell-devel")
 pkgver=0.60.8
-pkgrel=1
+pkgrel=2
 pkgdesc="A Free and Open Source spell checker (libraries)"
 arch=('i686' 'x86_64')
 url="http://aspell.net/"
@@ -10,12 +10,11 @@ license=('LGPL')
 groups=('libraries')
 makedepends=('gcc' 'gettext-devel' 'libiconv-devel' 'ncurses-devel' 'autotools')
 options=()
-source=("https://ftp.gnu.org/gnu/aspell/${pkgname}-${pkgver}.tar.gz"{,.sig}
+source=("https://ftp.gnu.org/gnu/aspell/${pkgname}-${pkgver}.tar.gz"
         "aspell-noundefined.patch"
         "aspell-so2dll.patch"
         "aspell-fileno.patch")
 sha256sums=('f9b77e515334a751b2e60daab5db23499e26c9209f5e7b7443b05235ad0226f2'
-            'SKIP'
             '35c0a786f580302052bab7569007735436dad9ceb551910205651bc2ad6bcb85'
             '9b9e4300d35a92f029c098da7001235d1dd6aeb03a854591afd84606b5cd257b'
             '8054609ba63038c7f488782a1f80ed31ba1fe18ded842707702ad08793903c7b')
@@ -31,7 +30,7 @@ prepare() {
 
 build() {
   cd "${srcdir}/${pkgname}-${pkgver}"
-  ./configure \
+  ./configure -C \
     --prefix=/usr \
     --sysconfdir=/etc \
     --build=${CHOST} \
@@ -42,8 +41,8 @@ build() {
 }
 
 check() {
-  cd "${srcdir}/${pkgname}-${_pkgver}"
-  make -k check
+  cd "${srcdir}/${pkgname}-${pkgver}"
+  make check
 }
 
 package_aspell() {