shorten: fixed maintainer line and cleanup

shorten/Pkgfile

@@ -1,6 +1,6 @@
 # Description: fast, low complexity waveform coder (lossless audio compressor)
 # URL: http://www.etree.org/shnutils/shorten/
-# Maintainer: Jose V Beneyto, sepen at users dot sourceforge dot net
+# Maintainer: Jose V Beneyto, sepen at crux dot nu
 # Packager: Ricardo Oliveira, crux at roliveira dot eu
 # Depends on:
 
@@ -10,11 +10,11 @@ release=1
 source=(http://etree.org/shnutils/$name/dist/src/$name-$version.tar.gz)
 
 build() {
-	cd $name-$version
+  cd $name-$version
   ./configure --prefix=/usr \
               --mandir=/usr/man \
               --disable-nls
 
- 	make
-	make DESTDIR=$PKG install
+  make
+  make DESTDIR=$PKG install
 }