grep: Update to 3.8

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

grep/grep.nm

@@ -4,11 +4,11 @@
 ###############################################################################
 
 name       = grep
-version    = 3.3
+version    = 3.8
 release    = 1
 
 groups     = Applications/Text
-url        = http://www.gnu.org/software/grep/
+url        = https://www.gnu.org/software/grep/
 license    = GPLv3+
 summary    = A pattern matching utilities.
 
@@ -18,7 +18,7 @@ description
 	prints the matching lines. GNU's grep utilities include grep, egrep and fgrep.
 end
 
-source_dl  = ftp://ftp.gnu.org/gnu/grep/
+source_dl  = https://ftp.gnu.org/gnu/grep/
 sources    = %{thisapp}.tar.xz
 
 build
@@ -26,7 +26,7 @@ build
 		autoconf
 		automake
 		gettext-devel
-		pcre-devel
+		pcre2-devel
 		texinfo
 	end
 
@@ -48,8 +48,6 @@ end
 
 packages
 	package %{name}
-		groups += Base Build
-
 		provides
 			/bin/grep
 			bundled(gnulib)