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-rw-r--r--ports/unix/guts/popen.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/ports/unix/guts/popen.c b/ports/unix/guts/popen.c
index 5d44c0e..d19ec7e 100644
--- a/ports/unix/guts/popen.c
+++ b/ports/unix/guts/popen.c
@@ -2,6 +2,8 @@
* Copyright (c) 2012 Wind River Systems; see
* guts/COPYRIGHT for information.
*
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
* FILE *popen(const char *command, const char *mode)
* FILE *rc = NULL;
*/