Update bytestring submodule to 0.10.8.0 release tag

(cherry picked from commit 4466ae64)

Update bytestring submodule to 0.10.8.0 release tag
(cherry picked from commit 4466ae64)
0ab1a6af · Herbert Valerio Riedel · c7d21b18 · 0ee45965 · 717f1151 · 0ee45965
Commit 0ab1a6af authored 8 years ago by Herbert Valerio Riedel
--- a/bytestring @ 0ee45965
+++ b/bytestring @ 0ee45965
-Subproject commit 717f1151751fceb4e49874737dd0f15839ffd541
+Subproject commit 0ee45965232f6838d5bbbf9f0fe666a32a79a6da