Fixed build if '/etc/debian_version' contains slashes ('/').

diff --git a/kernel/Linux/prepmod.in b/kernel/Linux/prepmod.in
index da224a7..2811439 100755 (executable)
--- a/kernel/Linux/prepmod.in
+++ b/kernel/Linux/prepmod.in
@@ -260,6 +260,7 @@ my($dir)=@_;
 
        my $vendor;
        chomp (my $debian=_readfile "/etc/debian_version","optional");
+       $debian=~tr#/#_#;
        $vendor="Debian".$debian if $debian && $dir=~m#^/usr/src/#;
        my $uname_r;
        $uname_r||=($dir=~m#/kernel-headers-([^/]+)/*$#)[0];