Fix ~3500 analyser issues

See merge request ryubing/ryujinx!44

src/Ryujinx.Cpu/Jit/HostTracked/AddressIntrusiveRedBlackTree.cs

@@ -29,6 +29,7 @@ namespace Ryujinx.Cpu.Jit.HostTracked
                     return node;
                 }
             }
+
             return null;
         }
     }

src/Ryujinx.Cpu/Jit/HostTracked/AddressSpacePartitionAllocator.cs

@@ -115,7 +115,7 @@ namespace Ryujinx.Cpu.Jit.HostTracked
             }
 
             private readonly AddressIntrusiveRedBlackTree<Mapping> _mappingTree;
-            
+
             // type is not Lock due to the unique usage of this mechanism,
             // an arbitrary object is used as the lock passed in by constructor.
             private readonly object _lock;
@@ -177,7 +177,7 @@ namespace Ryujinx.Cpu.Jit.HostTracked
 
         private readonly MemoryTracking _tracking;
         private readonly Func<ulong, ulong> _readPtCallback;
-        
+
         // type is not Lock due to the unique usage of this mechanism,
         // an arbitrary object is used as the lock passed in by constructor.
         private readonly object _lock;