compute memory requirement for PEM-encoding correctly

diff --git a/src/libstrongswan/plugins/pem/pem_encoder.c b/src/libstrongswan/plugins/pem/pem_encoder.c
index e255d6fd00135409315d90ddfe224f1af4c9c8cd..9c8237e4da780e195493d4a8d6b09381489d79ba 100644 (file)
--- a/src/libstrongswan/plugins/pem/pem_encoder.c
+++ b/src/libstrongswan/plugins/pem/pem_encoder.c
@@ -111,7 +111,7 @@ bool pem_encoder_encode(cred_encoding_type_t type, chunk_t *encoding,
        }
 
        /* compute and allocate maximum size of PEM object */
-       pem_chars = 4*(asn1.len + 2)/3;
+       pem_chars = 4 * ((asn1.len + 2) / 3);
        pem_lines = (asn1.len + BYTES_PER_LINE - 1) / BYTES_PER_LINE;
        *encoding = chunk_alloc(5 + 2*(6 + strlen(label) + 6) + 3 + pem_chars + pem_lines);
        pos = encoding->ptr;