fixed ganttproject PKGBUILD

# Maintainer: zertyz <zertyz@gmail.com>
# Contributor: David Fuhr <david.fuhr@web.de>
pkgname=ganttproject
pkgver=2.5
pkgrel=1024
pkgdesc="a project scheduling application written in Java and featuring gantt chart, resource management, calendaring..."
arch=('any')
url="http://ganttproject.sourceforge.net/"
license=("GPL")
depends=('java-environment' 'bash')
makedepends=('unzip')
source=(http://ganttproject.googlecode.com/files/$pkgname-$pkgver-r$pkgrel.zip ganttproject.desktop)
md5sums=('5a7efde9b555352b6afcd1f557a41d45'
         '3a3ca74b7440f22ca83b2fe89fb9d44d')

build() {
  rm $srcdir/ganttproject-$pkgver-r$pkgrel/ganttproject.bat

  mkdir -p $pkgdir/opt/
  mv $srcdir/ganttproject-$pkgver-r$pkgrel/ $pkgdir/opt/$pkgname

  chmod 755 $pkgdir/opt/$pkgname/ganttproject
  install -D -m0644 $srcdir/ganttproject.desktop $pkgdir/usr/share/applications/ganttproject.desktop
}