build: sed portability fixes

Recently generating the version-def.h file and the config-list.h
file have been updated, which broke versions of "sed" that do not
want to be fed a file that ends with an incomplete line, and/or that
do not understand the more recent "-E" option to use extended
regular expression.

Fix them in response to a build-failure reported on Solaris boxes.

cf. https://lore.kernel.org/git/09f954b8-d9c3-418f-ad4b-9cb9b063f4ae@comstyle.com/

Reported-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Collin Funk <collin.funk1@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: gitster

GIT-VERSION-GEN

@@ -82,7 +82,7 @@ read GIT_MAJOR_VERSION GIT_MINOR_VERSION GIT_MICRO_VERSION GIT_PATCH_LEVEL trail
 $(echo "$GIT_VERSION" 0 0 0 0 | tr '.a-zA-Z-' ' ')
 EOF
 
-REPLACED=$(printf "%s" "$INPUT" | sed -e "s|@GIT_VERSION@|$GIT_VERSION|" \
+REPLACED=$(printf "%s\n" "$INPUT" | sed -e "s|@GIT_VERSION@|$GIT_VERSION|" \
 	-e "s|@GIT_MAJOR_VERSION@|$GIT_MAJOR_VERSION|" \
 	-e "s|@GIT_MINOR_VERSION@|$GIT_MINOR_VERSION|" \
 	-e "s|@GIT_MICRO_VERSION@|$GIT_MICRO_VERSION|" \

generate-configlist.sh

@@ -13,17 +13,17 @@ print_config_list () {
 	cat <<EOF
 static const char *config_name_list[] = {
 EOF
-	sed -E '
-/^`?[a-zA-Z].*\..*`?::$/ {
+	sed -e '
+	/^`*[a-zA-Z].*\..*`*::$/ {
 	/deprecated/d;
 	s/::$//;
 	s/`//g;
 	s/^.*$/	"&",/;
 	s/,  */",\n	"/g;
 	p;};
-d' \
+	d' \
 	    "$SOURCE_DIR"/Documentation/*config.adoc \
-	    "$SOURCE_DIR"/Documentation/config/*.adoc|
+	    "$SOURCE_DIR"/Documentation/config/*.adoc |
 	sort
 	cat <<EOF
 	NULL,