Add a missing break.

llvm-svn: 260345
diff --git a/lldb/tools/debugserver/source/debugserver.cpp b/lldb/tools/debugserver/source/debugserver.cpp
index 369a0a1..e02bd07 100644
--- a/lldb/tools/debugserver/source/debugserver.cpp
+++ b/lldb/tools/debugserver/source/debugserver.cpp
@@ -1080,7 +1080,7 @@
 
             case 'K':
                 g_detach_on_error = false;
-
+                break;
             case 'W':
                 if (optarg && optarg[0])
                     working_dir.assign(optarg);