Fix some printf warnings in executor_runner.cpp (#1529)

Summary:
Pull Request resolved: #1529

Some compilers don't like passing enums as printf arguments without casting them first.

Reviewed By: larryliu0820

Differential Revision: D52528480

fbshipit-source-id: 8d572995ac4bbc52077d1e955b5b361168a8ec53

Author: dbort

examples/portable/executor_runner/executor_runner.cpp

@@ -59,7 +59,9 @@ int main(int argc, char** argv) {
   const char* model_path = FLAGS_model_path.c_str();
   Result<FileDataLoader> loader = FileDataLoader::from(model_path);
   ET_CHECK_MSG(
-      loader.ok(), "FileDataLoader::from() failed: 0x%" PRIx32, loader.error());
+      loader.ok(),
+      "FileDataLoader::from() failed: 0x%" PRIx32,
+      (uint32_t)loader.error());
 
   // Parse the program file. This is immutable, and can also be reused between
   // multiple execution invocations across multiple threads.
@@ -83,9 +85,9 @@ int main(int argc, char** argv) {
   Result<MethodMeta> method_meta = program->method_meta(method_name);
   ET_CHECK_MSG(
       method_meta.ok(),
-      "Failed to get method_meta for %s: 0x%x",
+      "Failed to get method_meta for %s: 0x%" PRIx32,
       method_name,
-      (unsigned int)method_meta.error());
+      (uint32_t)method_meta.error());
 
   //
   // The runtime does not use malloc/new; it allocates all memory using the
@@ -146,7 +148,7 @@ int main(int argc, char** argv) {
       method.ok(),
       "Loading of method %s failed with status 0x%" PRIx32,
       method_name,
-      method.error());
+      (uint32_t)method.error());
   ET_LOG(Info, "Method loaded.");
 
   // Prepare the inputs.
@@ -160,7 +162,7 @@ int main(int argc, char** argv) {
       status == Error::Ok,
       "Execution of method %s failed with status 0x%" PRIx32,
       method_name,
-      status);
+      (uint32_t)status);
   ET_LOG(Info, "Model executed successfully.");
 
   // Print the outputs.