linux-meta: fixed build error

helpers/make-linux-meta

 #!/bin/sh
 #
-#    Copyright (C) 2008-2018  Ruben Rodriguez <ruben@trisquel.info>
+#    Copyright (C) 2008-2019  Ruben Rodriguez <ruben@trisquel.info>
 #
 #    This program is free software; you can redistribute it and/or modify
 #    it under the terms of the GNU General Public License as published by
@@ -25,7 +25,7 @@ rm ./debian/control.d/signed-generic
 sed 's/linux-firmware/firmware-linux-free/' -i debian/control ./debian/control.d/generic debian/control.d/lowlatency
 sed 's/Ubuntu/upstream/' -i debian/control
 sed 's/Linux/Linux-libre/g' -i debian/control ./debian/control.d/generic debian/control.d/lowlatency
-sed '/signed/,/^$/ d' -i debian/control
+sed '/Package.*signed/,/^$/ d' -i debian/control
 sed '/Package.*powerpc/,/^$/ d' -i debian/control
 sed 's/, intel-microcode \[amd64 i386\]//; s/, amd64-microcode \[amd64 i386\]//;' debian/control debian/control.d/generic debian/control.d/lowlatency -i