style/cpp: Don't break long string literals

Exploiting string literal concatonation makes it harder to grep for log
messages in the source.

Change-Id: If5777adc5824560c4f6694399a1c11067c7b3999
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/style/cpp/.clang-format b/style/cpp/.clang-format
index 52ac0a1..cab3139 100644
--- a/style/cpp/.clang-format
+++ b/style/cpp/.clang-format
@@ -41,7 +41,7 @@
 BreakBeforeTernaryOperators: true
 BreakConstructorInitializers: AfterColon
 BreakInheritanceList: AfterColon
-BreakStringLiterals: true
+BreakStringLiterals: false
 ColumnLimit:     80
 CommentPragmas:  '^ IWYU pragma:'
 CompactNamespaces: false