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-rw-r--r--src/base64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/base64.c b/src/base64.c
index 33b54e6..17847d9 100644
--- a/src/base64.c
+++ b/src/base64.c
@@ -10,7 +10,7 @@
@brief base64 en+decoding of strings
*/
-static char *b64alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+static const char *b64alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
#define B64PAD '='
/* returns 0 ok, 1 illegal, -1 problem */