Some base-devel package rebuilds

they still haven't been rebuilt since the group was removed,
let's try to get rid of the group

bison/PKGBUILD

@@ -2,7 +2,7 @@
 
 pkgname=bison
 pkgver=3.8.2
-pkgrel=3
+pkgrel=4
 pkgdesc="The GNU general-purpose parser generator"
 arch=('i686' 'x86_64')
 license=('spdx:GPL-3.0-or-later')

diffutils/PKGBUILD

@@ -2,7 +2,7 @@
 
 pkgname=diffutils
 pkgver=3.8
-pkgrel=3
+pkgrel=4
 pkgdesc="Utility programs used for creating patch files"
 arch=('i686' 'x86_64')
 url="https://www.gnu.org/software/diffutils"

flex/PKGBUILD

@@ -2,7 +2,7 @@
 
 pkgname=flex
 pkgver=2.6.4
-pkgrel=2
+pkgrel=3
 pkgdesc="A tool for generating text-scanning programs"
 arch=('i686' 'x86_64')
 url="https://github.com/westes/flex"

gperf/PKGBUILD

@@ -2,7 +2,7 @@
 
 pkgname=gperf
 pkgver=3.1
-pkgrel=4
+pkgrel=5
 pkgdesc="Perfect hash function generator"
 arch=('x86_64' 'i686')
 url="https://www.gnu.org/software/gperf/"

groff/PKGBUILD

@@ -2,7 +2,7 @@
 
 pkgname=groff
 pkgver=1.22.4
-pkgrel=3
+pkgrel=4
 pkgdesc="GNU troff text-formatting system"
 arch=('i686' 'x86_64')
 url="https://www.gnu.org/software/groff/groff.html"