Fixed the copy constructor for SBThread.

git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@117825 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/API/SBThread.cpp b/source/API/SBThread.cpp
index 782569e..fc13631 100644
--- a/source/API/SBThread.cpp
+++ b/source/API/SBThread.cpp
@@ -51,7 +51,8 @@
 {
 }
 
-SBThread::SBThread (const SBThread &rhs)
+SBThread::SBThread (const SBThread &rhs) :
+    m_opaque_sp (rhs.m_opaque_sp)
 {
 }
 
@@ -490,7 +491,7 @@
 }
 
 const lldb::SBThread &
-SBThread::operator = (const lldb::SBThread &rhs)
+SBThread::operator = (const SBThread &rhs)
 {
     if (this != &rhs)
         m_opaque_sp = rhs.m_opaque_sp;