package/dcron: switch site, bump version

- Use github as a source site, to get a newer version than 4.5, which
  was released in May 2011
- Add upstream link to patch
- Use the new COPYING file
- Update indentation in hash file (two spaces)

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/dcron/0001-main.c-add-newline-to-logfile-openning-error-message.patch

@@ -4,6 +4,7 @@ Date: Sat, 20 Jul 2019 00:27:31 -0300
 Subject: [PATCH] main.c: add newline to logfile openning error message
 
 Signed-off-by: Carlos Santos <unixmania@gmail.com>
+[Upstream status: https://github.com/dubiousjim/dcron/pull/22]
 ---
  main.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

package/dcron/dcron.hash

@@ -1,2 +1,3 @@
 # Locally calculated
-sha256	9e50edb6f5bd8153b16bad05087d985e5153ce45cc01ae77e7f842213fb4a824	dcron-4.5.tar.gz
+sha256  5a53930ba27b57c06c3b03635788cf569990283bde8ea9c1ee820e13f988288d  dcron-1ba33c3325df48de46263276a43ed76cf9d81518.tar.gz
+sha256  640d90f6ee401241ff62834d0d1b33f83049e99b8bfdfa04ed1b0a1635dde3e7  COPYING

package/dcron/dcron.mk

@@ -4,10 +4,10 @@
 #
 ################################################################################
 
-DCRON_VERSION = 4.5
-DCRON_SITE = http://www.jimpryor.net/linux/releases
-# The source code does not specify the version of the GPL that is used.
-DCRON_LICENSE = GPL
+DCRON_VERSION = 1ba33c3325df48de46263276a43ed76cf9d81518
+DCRON_SITE = $(call github,dubiousjim,dcron,$(DCRON_VERSION))
+DCRON_LICENSE = GPL-2.0+
+DCRON_LICENSE_FILES = COPYING
 
 define DCRON_BUILD_CMDS
 	$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) $(TARGET_CONFIGURE_OPTS)