dev-util/*: fix variable order

I manually went through some entries for `pkgcheck scan -c
VariableOrderCheck`.

Signed-off-by: Lucio Sauer <watermanpaint@posteo.net>
Signed-off-by: Julien Roy <julien@jroy.ca>

dev-util/xxd/xxd-8.2.4092.ebuild

@@ -14,6 +14,8 @@ SRC_URI="
 		-> ${P}.1
 "
 
+S="${WORKDIR}"
+
 # Attribution in xxd.c differs from vim.
 LICENSE="GPL-2 MIT"
 SLOT="0"
@@ -21,8 +23,6 @@ KEYWORDS="~amd64 ~x86"
 
 RDEPEND="!app-editors/vim-core"
 
-S="${WORKDIR}"
-
 src_unpack() {
 	cp "${DISTDIR}"/${P}.c xxd.c || die "cp failed"
 	cp "${DISTDIR}"/${P}.1 xxd.1 || die "cp failed"