fix spdx (#4327)

CMakeLists.txt

@@ -1,5 +1,5 @@
 
-# SPDX-License-Identifier: GPL-3.0+
+# SPDX-License-Identifier: GPL-3.0-or-later
 # This file is only used for development (netdata in Clion)
 # It can build netdata, but you are on your own...
 

CONTRIBUTORS.md

@@ -1,5 +1,5 @@
 <!--
-SPDX-License-Identifier: GPL-3.0+
+SPDX-License-Identifier: GPL-3.0-or-later
 -->
 
 # netdata contributors license agreement

Makefile.am

@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2015 Alon Bar-Lev <alon.barlev@gmail.com>
-# SPDX-License-Identifier: GPL-3.0+
+# SPDX-License-Identifier: GPL-3.0-or-later
 #
 AUTOMAKE_OPTIONS=foreign 1.10
 ACLOCAL_AMFLAGS = -I build/m4

build/m4/ax_pthread.m4

@@ -56,7 +56,7 @@
 #   Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
 #   Copyright (c) 2011 Daniel Richard G. <skunk@iSKUNK.ORG>
 #
-#   SPDX-License-Identifier: GPL-3.0+
+#   SPDX-License-Identifier: GPL-3.0-or-later
 
 #serial 21
 

charts.d/Makefile.am

@@ -1,6 +1,6 @@
 #
 # Copyright (C) 2015 Alon Bar-Lev <alon.barlev@gmail.com>
-# SPDX-License-Identifier: GPL-3.0+
+# SPDX-License-Identifier: GPL-3.0-or-later
 #
 MAINTAINERCLEANFILES= $(srcdir)/Makefile.in
 

charts.d/ap.chart.sh

@@ -1,6 +1,6 @@
 # shellcheck shell=bash
 # no need for shebang - this file is loaded from charts.d.plugin
-# SPDX-License-Identifier: GPL-3.0+
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 # netdata
 # real-time performance and health monitoring, done right!

charts.d/apache.chart.sh

@@ -1,6 +1,6 @@
 # shellcheck shell=bash
 # no need for shebang - this file is loaded from charts.d.plugin
-# SPDX-License-Identifier: GPL-3.0+
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 # netdata
 # real-time performance and health monitoring, done right!

charts.d/apcupsd.chart.sh

@@ -1,6 +1,6 @@
 # shellcheck shell=bash
 # no need for shebang - this file is loaded from charts.d.plugin
-# SPDX-License-Identifier: GPL-3.0+
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 # netdata
 # real-time performance and health monitoring, done right!

charts.d/cpu_apps.chart.sh

@@ -1,6 +1,6 @@
 # shellcheck shell=bash disable=SC2154,SC1072,SC1073,SC2009,SC2162,SC2006,SC2002,SC2086,SC1117
 # no need for shebang - this file is loaded from charts.d.plugin
-# SPDX-License-Identifier: GPL-3.0+
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 # netdata
 # real-time performance and health monitoring, done right!

charts.d/cpufreq.chart.sh

@@ -1,6 +1,6 @@
 # shellcheck shell=bash
 # no need for shebang - this file is loaded from charts.d.plugin
-# SPDX-License-Identifier: GPL-3.0+
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 # netdata
 # real-time performance and health monitoring, done right!