Fixed the command line LLDB so that "CTRL+C" will interrupt a running process again.

llvm-svn: 202086
diff --git a/lldb/source/Core/IOHandler.cpp b/lldb/source/Core/IOHandler.cpp
index bdec19c..168a8f6 100644
--- a/lldb/source/Core/IOHandler.cpp
+++ b/lldb/source/Core/IOHandler.cpp
@@ -588,6 +588,13 @@
 }
 
 void
+IOHandlerEditline::Cancel ()
+{
+    if (m_editline_ap)
+        m_editline_ap->Interrupt ();
+}
+
+void
 IOHandlerEditline::Interrupt ()
 {
     if (m_editline_ap)
@@ -5279,6 +5286,10 @@
 {
 }
 
+void
+IOHandlerCursesGUI::Cancel ()
+{
+}
 
 void
 IOHandlerCursesGUI::Interrupt ()