Merge branch 'pld-guest': add pld as guest

diff --cc VirtualBox.spec
index 05a7c81cb3c53b3306706c0ad5b4fba8caa07770,5281d9f7ee2d3d09e2ef185c66f30f95b6dd2b63..73257adbc3757c3ca506e9c599673d722ff53e09
--- 1/VirtualBox.spec
--- 2/VirtualBox.spec
+++ b/VirtualBox.spec
@@@ -54,7 -54,7 +54,7 @@@ exit 
  %define               bkpkg   %(echo %{_build_kernels} | tr , '\\n' | while read n ; do echo %%undefine alt_kernel ; [ -z "$n" ] || echo %%define alt_kernel $n ; echo %%build_kernel_pkg ; done)
  %define               ikpkg   %(echo %{_build_kernels} | tr , '\\n' | while read n ; do echo %%undefine alt_kernel ; [ -z "$n" ] || echo %%define alt_kernel $n ; echo %%install_kernel_pkg ; done)
  
--%define               rel             2
++%define               rel             3
  %define               pname           VirtualBox
  Summary:      VirtualBox - x86 hardware virtualizer
  Summary(pl.UTF-8):    VirtualBox - wirtualizator sprzętu x86