nit fixes

Signed-off-by: Rachel Green <[email protected]>

Author: rachgreen33

include/proxy-wasm/wasm_vm.h

@@ -143,6 +143,17 @@ enum class AbiVersion { ProxyWasm_0_1_0, ProxyWasm_0_2_0, ProxyWasm_0_2_1, Unkno
 
 class NullPlugin;
 
+enum class FailState : int {
+  Ok = 0,
+  UnableToCreateVm = 1,
+  UnableToCloneVm = 2,
+  MissingFunction = 3,
+  UnableToInitializeCode = 4,
+  StartFailed = 5,
+  ConfigureFailed = 6,
+  RuntimeError = 7,
+};
+
 // Integrator specific WasmVm operations.
 struct WasmVmIntegration {
   virtual ~WasmVmIntegration() {}
@@ -167,17 +178,6 @@ struct WasmVmIntegration {
                                  void *ptr_to_function_return) = 0;
 };
 
-enum class FailState : int {
-  Ok = 0,
-  UnableToCreateVm = 1,
-  UnableToCloneVm = 2,
-  MissingFunction = 3,
-  UnableToInitializeCode = 4,
-  StartFailed = 5,
-  ConfigureFailed = 6,
-  RuntimeError = 7,
-};
-
 // Wasm VM instance. Provides the low level WASM interface.
 class WasmVm {
 public:
@@ -310,10 +310,7 @@ class WasmVm {
    */
   virtual bool usesWasmByteOrder() = 0;
 
-  /**
-   * Warm the VM such as engine and runtime.
-   */
-  virtual void warm() = 0;
+  virtual void warm() {}
 
   bool isFailed() { return failed_ != FailState::Ok; }
   void fail(FailState fail_state, std::string_view message) {