private long readPointer(BinaryReader reader) throws IOException {
		if (is64bit) {
			return reader.readNextLong();
		}
		return reader.readNextUnsignedInt();
	}
Gets the ReturnFlowGuard verify stack pointer function pointer address.

@return The ReturnFlowGuard verify stack pointer function pointer address.
  Could be 0 if ReturnFlowGuard is not being used.
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/pe/LoadConfigDirectory.java