configure: add empty line after each missing component message

Currently whenever message about missing GMime, Glib or talloc is
printed the message is 2 lines, component info and its http location
in next line. In the future the amount of lines will vary. To ease
reading in these cases newline is added after each message.

diff --git a/configure b/configure
index 8cf6f2d703529d70e0cdb10a174e608a17458405..393f859be74b4885b62c2cc84dd64853d3ff5b74 100755 (executable)
--- a/configure
+++ b/configure
@@ -404,17 +404,19 @@ EOF
     if [ $have_gmime -eq 0 ]; then
        echo "  GMime 2.4 library (including development files such as headers)"
        echo "  http://spruce.sourceforge.net/gmime/"
+       echo
     fi
     if [ $have_glib -eq 0 ]; then
        echo "  Glib library >= 2.22 (including development files such as headers)"
        echo "  http://ftp.gnome.org/pub/gnome/sources/glib/"
+       echo
     fi
     if [ $have_talloc -eq 0 ]; then
        echo "  The talloc library (including development files such as headers)"
        echo "  http://talloc.samba.org/"
+       echo
     fi
     cat <<EOF
-
 With any luck, you're using a modern, package-based operating system
 that has all of these packages available in the distribution. In that
 case a simple command will install everything you need. For example: