Also remove "false positive" authors

If PB adds an author who doesn't have the "aut"-role, make sure to
remove this false-positive entry

Cargo.lock

@@ -148,7 +148,7 @@ dependencies = [
 
 [[package]]
 name = "pbdbfixer"
-version = "0.7.0"
+version = "0.7.1"
 dependencies = [
  "quick-xml",
  "rusqlite",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pbdbfixer"
-version = "0.7.0"
+version = "0.7.1"
 authors = ["Martin Brodbeck <martin@brodbeck-online.de>"]
 edition = "2018"
 

src/main.rs

@@ -196,7 +196,9 @@ fn fix_db_entries(tx: &Transaction, book_entries: &Vec<BookEntry>) -> Statistics
                 .iter()
                 .map(|aut| aut.name.clone())
                 .collect::<Vec<_>>();
-            if !authornames.iter().all(|s| entry.author.contains(s)) {
+            if !authornames.iter().all(|s| entry.author.contains(s))
+                || authornames.join(", ").len() != entry.author.len()
+            {
                 let mut stmt = tx
                     .prepare("UPDATE books_impl SET author = :authors WHERE id = :book_id")
                     .unwrap();