gettext: update to 0.18.

srcpkgs/gettext/template

@@ -1,14 +1,13 @@
 # Template build file for 'gettext'.
 pkgname=gettext
-version=0.17
-revision=1
+version=0.18
 distfiles="http://ftp.gnu.org/pub/gnu/$pkgname/$pkgname-$version.tar.gz"
 build_style=gnu_configure
 configure_args="--disable-java --disable-native-java --disable-csharp
- --disable-libasprintf"
+--disable-libasprintf"
 short_desc="Internationalized Message Handling Library and tools"
 maintainer="Juan RP <xtraeme@gmail.com>"
-checksum=209638bb8e162f22c281145a34e220c66f1f6e9ff5e4c50c6f2ef2ded59537ba
+checksum=02342c1de18c03c601f8b91cbd896b70486a4b945bd816f34541e0d7b5a96fe5
 long_desc="
  GNU gettext provides the necessary tools and libraries for handling
  messages in different languages, as one of the steps to