patchutils: bump to 0.3.4, add TEST() with "make check".

Also add cmd:{cmp,diff,patch} to BUILD_PREREQUIRES as these are
required by TEST.

dev-util/patchutils/patchutils-0.3.4.recipe

@@ -19,11 +19,11 @@ contains a given regular expression.
 - Recountdiff fixes up counts and offsets in a unified diff.
 - Unwrapdiff fixes word-wrapped unified diffs."
 HOMEPAGE="http://cyberelk.net/tim/patchutils/"
-COPYRIGHT="2001-2013 Tim Waugh"
+COPYRIGHT="2001-2015 Tim Waugh"
 LICENSE="GNU GPL v2"
 REVISION="1"
-SOURCE_URI="http://cyberelk.net/tim/data/patchutils/stable/patchutils-0.3.3.tar.xz"
-CHECKSUM_SHA256="91f4e8451b2efcac5d40c966e42c175803450f0de94c926bfecc12c90070ad3c"
+SOURCE_URI="http://cyberelk.net/tim/data/patchutils/stable/patchutils-$portVersion.tar.xz"
+CHECKSUM_SHA256="cf55d4db83ead41188f5b6be16f60f6b76a87d5db1c42f5459d596e81dabe876"
 
 ARCHITECTURES="x86 x86_gcc2 x86_64"
 
@@ -55,10 +55,13 @@ BUILD_REQUIRES="
 	haiku_devel
 	"
 BUILD_PREREQUIRES="
+	cmd:awk
+	cmd:cmp
+	cmd:diff
 	cmd:gcc
 	cmd:make
+	cmd:patch
 	cmd:perl
-	cmd:awk
 	"
 
 BUILD()
@@ -71,3 +74,8 @@ INSTALL()
 {
 	make install
 }
+
+TEST()
+{
+	make check
+}