ad9453a spec: Use --disable-werror

Authored and Committed by crobinso 6 years ago
    spec: Use --disable-werror
    
    gcc8 gives some minor and AFAICT harmless warnings, don't let them
    break the build
    
    https://bugzilla.redhat.com/show_bug.cgi?id=1556044
    
        
file modified
+1 -1