modularize: add install rule

This allows modularize to be installed.  Previously, no install rule would be
created for it.

llvm-svn: 253310
GitOrigin-RevId: 9dc1b0f29d7f93536740038ff3264eeccb0a4d6d
diff --git a/modularize/CMakeLists.txt b/modularize/CMakeLists.txt
index 7de809c..17d1eb1 100644
--- a/modularize/CMakeLists.txt
+++ b/modularize/CMakeLists.txt
@@ -19,3 +19,7 @@
   clangLex
   clangTooling
   )
+
+install(TARGETS modularize
+        RUNTIME DESTINATION bin
+        COMPONENT clang-extras)