Convert InvalidatedEnvStringPointers to the new dataflow library

Author: jketema

cpp/common/src/codingstandards/cpp/rules/invalidatedenvstringpointers/InvalidatedEnvStringPointers.qll

@@ -6,7 +6,7 @@
 import cpp
 import codingstandards.cpp.Customizations
 import codingstandards.cpp.Exclusions
-import semmle.code.cpp.dataflow.DataFlow
+import semmle.code.cpp.dataflow.new.DataFlow
 
 abstract class InvalidatedEnvStringPointersSharedQuery extends Query { }