transceiver: fix initialization segfault in radio interface

'loadTest' variable was never initialized sometimes causing
segmentation fault on transceiver startup.

Signed-off-by: Thomas Tsou <ttsou@vt.edu>

git-svn-id: http://wush.net/svn/range/software/public/openbts/trunk@2631 19bc5d8c-e614-43d4-8b26-e1612bc8e597
diff --git a/Transceiver52M/radioInterface.cpp b/Transceiver52M/radioInterface.cpp
index 5266bfd..8fd2ec3 100644
--- a/Transceiver52M/radioInterface.cpp
+++ b/Transceiver52M/radioInterface.cpp
@@ -84,6 +84,7 @@
   samplesPerSymbol = wRadioOversampling;
   mClock.set(wStartTime);
   powerScaling = 1.0;
+  loadTest = false;
 }
 
 RadioInterface::~RadioInterface(void) {