Check the validity of the buffer before parsing the model

If the buffer does not point to a well defined flatbuffer the parsing
segfaults.

Change-Id: Icb8dfef37dc28b2b7a22c6d3804851be8198aa9d
diff --git a/applications/inference_process/src/inference_process.cpp b/applications/inference_process/src/inference_process.cpp
index 29254c7..e96d601 100644
--- a/applications/inference_process/src/inference_process.cpp
+++ b/applications/inference_process/src/inference_process.cpp
@@ -119,11 +119,9 @@
     RegisterDebugLogCallback(tfluDebugLog);
 
     // Get model handle and verify that the version is correct
-    const tflite::Model *model = ::tflite::GetModel(job.networkModel.data);
-    if (model->version() != TFLITE_SCHEMA_VERSION) {
-        LOG_ERR("Model schema version unsupported: version=%" PRIu32 ", supported=%d.",
-                model->version(),
-                TFLITE_SCHEMA_VERSION);
+    const tflite::Model *model = parser.getModel(job.networkModel.data, job.networkModel.size);
+    if (model == nullptr) {
+        LOG_ERR("Invalid model");
         return true;
     }