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-rw-r--r--ext/json/json.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/json/json.c b/ext/json/json.c
index 1b7de735d9..cbd5d3deb6 100644
--- a/ext/json/json.c
+++ b/ext/json/json.c
@@ -33,7 +33,7 @@
/* If you declare any globals in php_json.h uncomment this:
ZEND_DECLARE_MODULE_GLOBALS(json)
*/
-static char digits[] = "0123456789abcdef";
+static const char digits[] = "0123456789abcdef";
/* {{{ json_functions[]
*