X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/492a04dbc27f0ccb0d8d4fcc8da529df0cd254c9..e0e7dff87dc3f482da6ab00317664474b0f82995:/misc.c

diff --git a/misc.c b/misc.c
index 496d30e3..e4c6d4ac 100644
--- a/misc.c
+++ b/misc.c
@@ -174,9 +174,9 @@ int bufchain_size(bufchain *ch)
     return ch->buffersize;
 }
 
-void bufchain_add(bufchain *ch, void *data, int len)
+void bufchain_add(bufchain *ch, const void *data, int len)
 {
-    char *buf = (char *)data;
+    const char *buf = (const char *)data;
 
     ch->buffersize += len;