LibPDF: Don't log CFF Copyright tag as unknown

Author: https://github.com/nico
Commit: https://github.com/SerenityOS/serenity/commit/04aec4a032
Pull-request: https://github.com/SerenityOS/serenity/pull/21532

Userland/Libraries/LibPDF/Fonts/CFF.cpp

@@ -140,6 +140,7 @@ PDFErrorOr<NonnullRefPtr<CFF>> CFF::create(ReadonlyBytes const& cff_bytes, RefPt
             case TopDictOperator::FontBBox:
             case TopDictOperator::UniqueID:
             case TopDictOperator::XUID:
+            case TopDictOperator::Copyright:
             case TopDictOperator::IsFixedPitch:
             case TopDictOperator::ItalicAngle:
             case TopDictOperator::UnderlinePosition:

Userland/Libraries/LibPDF/Fonts/CFF.h

@@ -34,7 +34,8 @@ private:
         Encoding,
         CharStrings,
         Private,
-        IsFixedPitch = (12 << 8 | 1),
+        Copyright = (12 << 8),
+        IsFixedPitch,
         ItalicAngle,
         UnderlinePosition,
         UnderlineThickness,