n/gnupg: Upgraded to gnupg-2.2.18.

n/gnupg/gnupg-2.2.17.tar.bz2.sha256

@@ -1 +0,0 @@
-afa262868e39b651a2db4c071fba90415154243e83a830ca00516f9a807fd514  gnupg-2.2.17.tar.bz2

n/gnupg/gnupg-2.2.18.tar.bz2.sha256

@@ -0,0 +1 @@
+30d37ce2ca55b2b9b61480b2a175a3b22066ab41cd3f84688448919b566dec0a  gnupg-2.2.18.tar.bz2

n/gnupg/gnupg.SlackBuild

@@ -24,11 +24,13 @@
 #
 # Latest gnupg sourcecode is available at: <https://www.gnupg.org/>.
 #
-# Depends: l/npth, l/libgcrypt, l/libassuan, l/libksba
+# Note: As of 25 November 2019, the following dependencies are
+#       all provided by Slackware-current in their latest versions:
+#       l/npth, l/libgcrypt, l/libassuan, l/libksba.
 
 # Source package infos
 NAMESRC=${NAMESRC:-gnupg}
-VERSION=${VERSION:-2.2.17}
+VERSION=${VERSION:-2.2.18}
 PKGVERSION=${VERSION/-beta/b}
 ARCHIVE=${ARCHIVE:-$NAMESRC-$VERSION.tar.bz2}
 WGET=${WGET:-https://gnupg.org/ftp/gcrypt/gnupg/$ARCHIVE}
@@ -118,14 +120,6 @@ install -m 644 AUTHORS COPYING COPYING.* ChangeLog NEWS README THANKS \
 # Copy slack-desc file
 install -D -m 644 $CWD/slack-desc $PKG/install/slack-desc
 
-# Add dependency infos
-cat <<EOF > $PKG/install/slack-required
-libassuan
-libgcrypt
-libksba
-npth
-EOF
-
 # Package the tree
 cd $PKG
 mkdir -p $OUT