d91c8e6 mingw: fix build failure

Authored and Committed by phrdina 9 years ago
    mingw: fix build failure
    
    This macro seems to be defined only on linux/unix and it fails during
    mingw build. Its value is '16' (taken from net/if.h) so define it if
    it's not defined.
    
    Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
    
        
file modified
+4 -0