build: use the correct variable

Adjust the variable that controls whether the unit tests use `lldb-server`.
This should repair the default build on Windows.

llvm-svn: 360695

diff --git a/lldb/unittests/tools/CMakeLists.txt b/lldb/unittests/tools/CMakeLists.txt
index 4c65786..b910be2 100644 (file)
--- a/lldb/unittests/tools/CMakeLists.txt
+++ b/lldb/unittests/tools/CMakeLists.txt
@@ -1,6 +1,6 @@
 if(LLDB_TOOL_LLDB_MI_BUILD)
   add_subdirectory(lldb-mi)
 endif()
-if(LLDB_TOOL_LLDB_SERVER_BUILD)
+if(LLDB_CAN_USE_LLDB_SERVER)
   add_subdirectory(lldb-server)
 endif()