Fix cmake build for PluginInstrumentationRuntimeAddressSanitizer.

llvm-svn: 219576
diff --git a/lldb/source/Plugins/CMakeLists.txt b/lldb/source/Plugins/CMakeLists.txt
index b55936f..9219560 100644
--- a/lldb/source/Plugins/CMakeLists.txt
+++ b/lldb/source/Plugins/CMakeLists.txt
@@ -2,6 +2,7 @@
 add_subdirectory(Disassembler)
 add_subdirectory(DynamicLoader)
 add_subdirectory(Instruction)
+add_subdirectory(InstrumentationRuntime)
 add_subdirectory(JITLoader)
 add_subdirectory(LanguageRuntime)
 add_subdirectory(MemoryHistory)