[clang] [clang][StaticAnalyzer] Adding getentropy to CStringChecker. (PR #83675)

[Balazs Benics via cfe-commits]

================
@@ -165,6 +165,8 @@ class CStringChecker : public Checker< eval::Call,
       {{CDM::CLibrary, {"explicit_bzero"}, 2}, &CStringChecker::evalBzero},
       {{CDM::CLibrary, {"sprintf"}, 2}, &CStringChecker::evalSprintf},
       {{CDM::CLibrary, {"snprintf"}, 2}, &CStringChecker::evalSnprintf},
+      {{CDM::CLibrary, {"getentropy"}, 2},
+       std::bind(&CStringChecker::evalGetentropy, _1, _2, _3, CK_Regular)},
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steakhal wrote:

```suggestion
      {{CDM::CLibrary, {"getentropy"}, 2}, CStringChecker::evalGetentropy},
```

https://github.com/llvm/llvm-project/pull/83675