File fix-tumbleweed.patch of Package bareos

diff --git a/platforms/CMakeLists.txt b/platforms/CMakeLists.txt
index 5393d90..8bdf7e1 100644
--- a/platforms/CMakeLists.txt
+++ b/platforms/CMakeLists.txt
@@ -31,6 +31,7 @@ if(NOT HAVE_WIN32)
     add_subdirectory(univention)
   elseif(${DISTNAME} STREQUAL hpux)
     message(STATUS "DISTNAME: " ${DISTNAME})
+  elseif(${DISTNAME} STREQUAL unknown)
   else()
     add_subdirectory(${DISTNAME})
   endif()