Fix issue found by fuzzer (#147)

* fix fuzzer

* fix fuzz issues found

* work

* remove unit tst

* work

* ignore fuzz lock file

* ignore changes

* update nuspec version

---------

Co-authored-by: kristofr <[email protected]>

Author: mcroomp

.gitignore

@@ -6,4 +6,7 @@
 **/*.rs.bk
 
 # VSCode
-.vs/
+.vs/
+
+# don't checkin lock file for fuzz as it should get autogen
+fuzz/Cargo.lock

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "lepton_jpeg_dll"
-version = "0.5.2"
+version = "0.5.3"
 edition = "2021"
 authors = ["Kristof Roomp <[email protected]>"]