Convert FIO45-C to use the new dataflow library

Author: jketema

c/cert/src/rules/FIO45-C/ToctouRaceConditionsWhileAccessingFiles.ql

@@ -19,7 +19,7 @@
 import cpp
 import codingstandards.c.cert
 import codingstandards.cpp.standardlibrary.FileAccess
-import semmle.code.cpp.dataflow.DataFlow
+import semmle.code.cpp.dataflow.new.DataFlow
 import semmle.code.cpp.valuenumbering.GlobalValueNumbering
 
 /**

c/cert/test/rules/FIO45-C/ToctouRaceConditionsWhileAccessingFiles.expected

@@ -1,3 +1,2 @@
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (ToctouRaceConditionsWhileAccessingFiles.ql:32,35-43)
 | test.c:4:13:4:17 | call to fopen | This call is trying to prevent an existing file from being overwritten by $@. An attacker might be able to exploit the race window between the two calls. | test.c:11:9:11:13 | call to fopen | another call |
 | test.c:88:13:88:17 | call to fopen | This call is trying to prevent an existing file from being overwritten by $@. An attacker might be able to exploit the race window between the two calls. | test.c:95:9:95:13 | call to fopen | another call |