Meta+Kernel: Make clang-format-10 clean

Author: https://github.com/BenWiederhake
Commit: 64cc3f51d0
Pull-request: https://github.com/SerenityOS/serenity/pull/3541
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/linusg

Kernel/Heap/SlabAllocator.cpp

@@ -38,7 +38,7 @@ namespace Kernel {
 template<size_t templated_slab_size>
 class SlabAllocator {
 public:
-    SlabAllocator() {}
+    SlabAllocator() { }
 
     void init(size_t size)
     {