transfer: remove warning: Value stored to 'blen' is never read

Detected by scan-build

Follow-up from 1cd2f0072f

Closes #12693

diff --git a/lib/transfer.c b/lib/transfer.c
index 4040cc3eedd8c9fd4b6eaef3da1f933fd35a2e3f..1d066fbf889ee7224cf8cd72ed64d089dcfb1b57 100644 (file)
--- a/lib/transfer.c
+++ b/lib/transfer.c
@@ -490,7 +490,6 @@ static CURLcode readwrite_data(struct Curl_easy *data,
     }
 
     buf = data->state.buffer;
-    blen = 0;
     bytestoread = data->set.buffer_size;
 
     /* Observe any imposed speed limit */