Fix a reference leak in GetFinding
Fix a reference leak in GetFinding

We need to delete each local reference created in native code separately
to prevent memory leaks, even if they refer to the same Java object.

CodeIntelligenceTesting/jazzer,CodeIntelligenceTesting/jazzer,CodeIntelligenceTesting/jazzer,CodeIntelligenceTesting/jazzer,CodeIntelligenceTesting/jazzer