Merge pull request #16256 from glefloch/fix/avro-throw

Add missing throw statement

Author: gsmet

extensions/avro/deployment/src/main/java/io/quarkus/avro/deployment/AvroProtocolCodeGenProvider.java

@@ -48,7 +48,7 @@ void compileSingleFile(Path filePath,
             compiler.setOutputCharacterEncoding("UTF-8");
             compiler.compileToDestination(filePath.toFile(), outputDirectory.toFile());
         } catch (IOException e) {
-            new CodeGenException("Failed to compile avro protocole file: " + filePath.toString() + " to Java", e);
+            throw new CodeGenException("Failed to compile avro protocole file: " + filePath.toString() + " to Java", e);
         }
     }
 }