Update clang-format

Since clang-format has been updated, the ledManager repo needs to be
updated synchronously.

refer: https://github.com/openbmc/docs/blob/master/style/cpp/.clang-format
`Don't break long string literals`

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I340d84e9520fa732ec6cfc564eaeea13b7ab356e
diff --git a/.clang-format b/.clang-format
index 625a0a0..abedc25 100644
--- a/.clang-format
+++ b/.clang-format
@@ -41,7 +41,7 @@
 BreakBeforeTernaryOperators: true
 BreakConstructorInitializers: AfterColon
 BreakInheritanceList: AfterColon
-BreakStringLiterals: true
+BreakStringLiterals: false
 ColumnLimit:     80
 CommentPragmas:  '^ IWYU pragma:'
 CompactNamespaces: false