Convert EXP36-C to the new datafow library

Note that we now properly report the offending cast instead of the expression
that is being cast.

Author: jketema

c/cert/src/rules/EXP36-C/DoNotCastPointerToMoreStrictlyAlignedPointerType.ql

@@ -19,7 +19,7 @@
 import cpp
 import codingstandards.c.cert
 import codingstandards.cpp.Alignment
-import semmle.code.cpp.dataflow.DataFlow
+import semmle.code.cpp.dataflow.new.DataFlow
 import semmle.code.cpp.rangeanalysis.SimpleRangeAnalysis
 import ExprWithAlignmentToCStyleCastFlow::PathGraph