Add in-class initialization of some members

Several class constructors leave members uninitialized.  The members are
initialized before use in methods, but it is clearer and less
error-prone to initialize them at their definition site.

1 files changed, 1 insertions, 1 deletions

diff --git a/Source/cmExternalMakefileProjectGenerator.h b/Source/cmExternalMakefileProjectGenerator.h
index 5cc6442..d48abca 100644
--- a/Source/cmExternalMakefileProjectGenerator.h
+++ b/Source/cmExternalMakefileProjectGenerator.h
@@ -62,7 +62,7 @@ protected:
   ///! Contains the names of the global generators support by this generator.
   std::vector<std::string> SupportedGlobalGenerators;
   ///! the global generator which creates the makefiles
-  const cmGlobalGenerator* GlobalGenerator;
+  const cmGlobalGenerator* GlobalGenerator = nullptr;
 
   std::string Name;
 };