X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/80fea873648ca2ab2e592999a336c59cf054ab55..cb63e7df39c6b128c36754295490316a18104fd2:/src/src/base64.c

diff --git a/src/src/base64.c b/src/src/base64.c
index cee77c3c3..9dcbb74f0 100644
--- a/src/src/base64.c
+++ b/src/src/base64.c
@@ -150,7 +150,7 @@ static uschar dec64table[] = {
 };
 
 int
-b64decode(uschar *code, uschar **ptr)
+b64decode(const uschar *code, uschar **ptr)
 {
 int x, y;
 uschar *result = store_get(3*(Ustrlen(code)/4) + 1);