clang-format: reformat for clang-10

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ic29cef46595c8931faf4bd18d7952e0a07a1280c
diff --git a/.clang-format b/.clang-format
index ea71ad6..692faa2 100644
--- a/.clang-format
+++ b/.clang-format
@@ -21,6 +21,7 @@
 BinPackArguments: true
 BinPackParameters: true
 BraceWrapping:
+  AfterCaseLabel:  true
   AfterClass:      true
   AfterControlStatement: true
   AfterEnum:       true