spu: Workaround GCC 14.1 compiler bug

Stumbled upon this issue with gcc 14.1.1+r1+g43b730b9134-1 on aarch64, 
failing compilation due to implicit fallthrough warnings being treated 
as errors

rpcs3/Emu/Cell/SPULLVMRecompiler.cpp

@@ -3824,8 +3824,8 @@ public:
 				m_ir->CreateStore(stat_val, stat_ptr);
 				m_ir->CreateBr(next);
 				m_ir->SetInsertPoint(next);
-				return;
 			}
+			return;
 		}
 		case MFC_LSA:
 		{