Avoid reader/writer duplication in every encoder/decoder
diff --git a/common/rfb/RREEncoder.cxx b/common/rfb/RREEncoder.cxx
index 09702cf..b37b758 100644
--- a/common/rfb/RREEncoder.cxx
+++ b/common/rfb/RREEncoder.cxx
@@ -33,7 +33,7 @@
 #include <rfb/rreEncode.h>
 #undef BPP
 
-RREEncoder::RREEncoder(SMsgWriter* writer_) : writer(writer_)
+RREEncoder::RREEncoder(SMsgWriter* writer) : Encoder(writer)
 {
 }