Bug#651361: i can't install libnautilus-extension-dev on Squeeze amd64

[root]

Package: libnautilus-extension-dev
Version: 2.30.1-2squeeze1
Severity: important

i can't install libnautilus-extension-dev on Squeeze amd64

i obtained this error:

root at lheeze:~# aptitude install libnautilus-extension-dev
The following NEW packages will be installed:
  autopoint{a} debhelper{a} gettext{a} git{a} html2text{a} intltool-debian{a}
libatk1.0-dev{a} libcairo-gobject2{a} libcairo-script-interpreter2{a}
  libcairo2-dev{a} liberror-perl{a} libexpat1-dev{a} libfontconfig1-dev{a}
libfreetype6-dev{a} libglib2.0-dev{a} libgtk2.0-dev{a} libice-dev{a}
  libmail-sendmail-perl{a} libnautilus-extension-dev libpango1.0-dev{a}
libpixman-1-dev{ab} libpng12-dev{a} libpthread-stubs0{a} libpthread-
stubs0-dev{a}
  libsm-dev{a} libsys-hostname-long-perl{a} libunistring0{a} libx11-dev{a}
libxau-dev{a} libxcb-render0-dev{a} libxcb-shm0-dev{a} libxcb1-dev{a}
  libxcomposite-dev{a} libxcursor-dev{a} libxdamage-dev{a} libxdmcp-dev{a}
libxext-dev{a} libxfixes-dev{a} libxft-dev{a} libxi-dev{a} libxinerama-dev{a}
  libxrandr-dev{a} libxrender-dev{a} po-debconf{a} x11proto-composite-dev{a}
x11proto-core-dev{a} x11proto-damage-dev{a} x11proto-fixes-dev{a}
  x11proto-input-dev{a} x11proto-kb-dev{a} x11proto-randr-dev{a} x11proto-
render-dev{a} x11proto-xext-dev{a} x11proto-xinerama-dev{a} xtrans-dev{a}
  zlib1g-dev{a}
0 packages upgraded, 56 newly installed, 0 to remove and 0 not upgraded.
Need to get 24.6 MB of archives. After unpacking 70.6 MB will be used.
The following packages have unmet dependencies:
  libpixman-1-dev: Depends: libpixman-1-0 (= 0.22.0-1.1~bpo60+1) but
0.24.0-1~bpo60+1 is installed.
The following actions will resolve these dependencies:

     Keep the following packages at their current version:
1)     libcairo2-dev [Not Installed]
2)     libgtk2.0-dev [Not Installed]
3)     libnautilus-extension-dev [Not Installed]
4)     libpango1.0-dev [Not Installed]
5)     libpixman-1-dev [Not Installed]



Accept this solution? [Y/n/q/?]



-- System Information:
Debian Release: 6.0.3
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash