eol: make sure we always release the wlock when writing cache

If any exception were to happen after we acquired the wlock, we could leave it
unreleased. We move the wlock release in a 'finally:' close as it should be.

hgext/eol.py

@@ -360,7 +360,6 b' def reposetup(ui, repo):'
                     # Write the cache to update mtime and cache .hgeol
                     with self.vfs("eol.cache", "w") as f:
                         f.write(hgeoldata)
-                    wlock.release()
                 except error.LockUnavailable:
                     # If we cannot lock the repository and clear the
                     # dirstate, then a commit might not see all files
@@ -368,6 +367,9 b' def reposetup(ui, repo):'
                     # repository, then we can also not make a commit,
                     # so ignore the error.
                     pass
+                finally:
+                    if wlock is not None:
+                        wlock.release()
 
         def commitctx(self, ctx, haserror=False):
             for f in sorted(ctx.added() + ctx.modified()):