Description: Do not rely on path location relative to barrnap executable 
--- a/bin/barrnap
+++ b/bin/barrnap
@@ -14,6 +14,9 @@
 my $AUTHOR = 'Torsten Seemann <torsten.seemann@gmail.com>';
 my $URL = 'https://github.com/tseemann/barrnap';
 my $DBDIR = "$FindBin::RealBin/../db";
+if ( ! -e $DBDIR) {
+  $DBDIR = "/usr/share/barrnap/db";
+}
 my $OPSYS = $^O;
 my $BINDIR = "$FindBin::RealBin/../binaries/$OPSYS";