Reactivating Crash Manager on the Linux platform

CMake/DefineOptions.cmake

@@ -28,8 +28,7 @@ option(WITH_GPL_LIBS "Build with GPL libraries." ON)
 
 if(WIN32)
   option(WITH_MINIMAID "Build with Mimimaid Lights Support." OFF)
-else()
-  if(LINUX)
+elseif(LINUX)
     option(WITH_FFMPEG "Build with FFMPEG." ON)
     # Builder beware: later versions of ffmpeg may break!
     option(WITH_SYSTEM_FFMPEG "Build with the system's FFMPEG." OFF)
@@ -42,5 +41,4 @@ else()
     option(WITH_MP3 "Build with MP3 Support." ON)
     option(WITH_PARALLEL_PORT "Build with Parallel Lights I/O Support." OFF)
     option(WITH_CRASH_HANDLER "Build with Crash Handler Support." ON)
-  endif()
 endif()