fix packaging standards

.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = uftp
 	pkgdesc = UFTP is an encrypted multicast file transfer program, designed to securely, reliably, and efficiently transfer files to multiple receivers simultaneously.
 	pkgver = 4.9.2
-	pkgrel = 1
+	pkgrel = 2
 	url = http://uftp-multicast.sourceforge.net/
 	arch = i686
 	arch = x86_64

PKGBUILD

@@ -2,15 +2,19 @@
 
 pkgname=uftp
 pkgver=4.9.2
-pkgrel=1
+pkgrel=2
 pkgdesc="UFTP is an encrypted multicast file transfer program, designed to securely, reliably, and efficiently transfer files to multiple receivers simultaneously."
 arch=(i686 x86_64)
 url="http://uftp-multicast.sourceforge.net/"
 license=('GPL3')
 makedepends=('gcc' 'openssl')
-source=("http://downloads.sourceforge.net/project/uftp-multicast/source-tar/$pkgname-$pkgver.tar.gz")
+source=("http://downloads.sourceforge.net/project/$pkgname-multicast/source-tar/$pkgname-$pkgver.tar.gz")
 sha512sums=('9a95e6a4c8b58a157353e43cfd4ca3dcccfced700e02b7d9d119a09f9e652474d5ffadd04a3dc7b939b94c7d58fbe186e11e581813b5417934988bfa021f0a62')
 
+-prepare() {
+  cd "$srcdir/${pkgname}-${pkgver}/"
+}
+
 build() {
   whirlpoolsum=('92182508fd707e68838af3904355f7eb0edc777a8029f756c485c407e447a8aac3d0611fe64b68ca8d061f1dc5040a8334fa219c298416ab25e5daecdd9c8e25')
   [[ "$(openssl dgst -r -whirlpool $pkgname-$pkgver.tar.gz | awk '{print $1}')" = ${whirlpoolsum} ]] && echo "Whirlpool checksum passed." || { echo "Whirlpool checksum failed!!" ;  exit 1; } # This is an added security layer. If SHA512 for some unlikely reason fails, whirlpool will check and abort if it too fails to match.
@@ -21,5 +25,8 @@ build() {
 package() {
   cd "${pkgname}-${pkgver}"
   make DESTDIR="$pkgdir/" install
-  mv $pkgdir/bin $pkgdir/usr/bin/
+  ## Cleanup upstream installer ##
+  mv $pkgdir/bin $pkgdir/usr/bin
+  mv $pkgdir/usr/sbin/* $pkgdir/usr/bin
+  rm -rf $pkgdir/usr/sbin
 }