Increases default reply buffer size

The reply buffer size is too low for certain GetAttributeAll answers, namely
for the TCP/IP and Ethernet Link objects, which leads to strange behavior on
RPi and ARM platforms in general.

Signed-off-by: Martin Melik Merkumians <melik-merkumians@acin.tuwien.ac.at>

source/CMakeLists.txt

@@ -49,7 +49,7 @@ endif()
 # There are two uses in OpENer:
 #   1. Explicit messages will use this buffer to store the data generated by the request
 #   2. I/O Connections will use this buffer for the produced data
-set( OPENER_MESSAGE_DATA_REPLY_BUFFER "100" CACHE STRING "The number of bytes used for the reply message buffer")
+set( OPENER_MESSAGE_DATA_REPLY_BUFFER "200" CACHE STRING "The number of bytes used for the reply message buffer")
 add_definitions(-DOPENER_MESSAGE_DATA_REPLY_BUFFER=${OPENER_MESSAGE_DATA_REPLY_BUFFER} )
 
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