Address getNextAddress() {
		return nextAddress;
	}
Gets the next address indicating the address after this call site record.
@return the next address after this call site record or null if this record hasn't been 
created at any address yet.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/exceptionhandlers/gcc/structures/gccexcepttable/LSDACallSiteRecord.java