Add "inc" file extension to fnl module (#1018)

Author: R3voA3

bin/src/modules/fnl.rs

@@ -10,7 +10,7 @@ use crate::{context::Context, report::Report};
 
 use super::Module;
 
-pub const TEXT_EXTENSIONS: [&str; 6] = ["sqf", "txt", "hpp", "cpp", "rvmat", "ext"];
+pub const TEXT_EXTENSIONS: [&str; 6] = ["sqf", "txt", "hpp", "cpp", "rvmat", "ext", "inc"];
 
 #[derive(Default)]
 pub struct FineNewLineCheck {}