Convert RULE-22-3 to use the new dataflow library

Author: jketema

c/misra/src/rules/RULE-22-3/FileOpenForReadAndWriteOnDifferentStreams.ql

@@ -15,7 +15,7 @@
 import cpp
 import codingstandards.c.misra
 import codingstandards.cpp.standardlibrary.FileAccess
-import semmle.code.cpp.dataflow.DataFlow
+import semmle.code.cpp.dataflow.new.DataFlow
 import semmle.code.cpp.valuenumbering.GlobalValueNumbering
 import semmle.code.cpp.controlflow.SubBasicBlocks
 

c/misra/test/rules/RULE-22-3/FileOpenForReadAndWriteOnDifferentStreams.expected

@@ -1,4 +1,3 @@
-WARNING: module 'DataFlow' has been deprecated and may be removed in future (FileOpenForReadAndWriteOnDifferentStreams.ql:39,9-17)
 | test.c:6:14:6:18 | call to fopen | The same file was already opened $@. Files should not be read and written at the same time using different streams. | test.c:5:14:5:18 | call to fopen | here |
 | test.c:17:14:17:18 | call to fopen | The same file was already opened $@. Files should not be read and written at the same time using different streams. | test.c:16:14:16:18 | call to fopen | here |
 | test.c:33:14:33:18 | call to fopen | The same file was already opened $@. Files should not be read and written at the same time using different streams. | test.c:32:14:32:18 | call to fopen | here |