Autogen: Add lock file to AUTORCC commands

By using a per .qrc lock file in AUTORCC, the same
`cmake -E cmake_autorcc ...` command can be called concurrently.

1 files changed, 1 insertions, 0 deletions

diff --git a/Source/cmQtAutoGenInitializer.h b/Source/cmQtAutoGenInitializer.h
index 2a47e46..5fbf0cb 100644
--- a/Source/cmQtAutoGenInitializer.h
+++ b/Source/cmQtAutoGenInitializer.h
@@ -32,6 +32,7 @@ public:
     }
 
   public:
+    std::string LockFile;
     std::string QrcFile;
     std::string QrcName;
     std::string PathChecksum;