MIssed adding a file to the repository

src/backend/tcop/variable.c

+#include "postgres.h"
+#include "tcop/variable.h"
+
+bool SetPGVariable(const char *varName, const char *value)
+	{
+	return TRUE;
+	}
+
+const char *GetPGVariable(const char *varName)
+	{
+	return NULL;
+	}