Various clang warning fixes

Mostly nullptr, one missing include that wasn't really missed, and a
stray ;

1 files changed, 0 insertions, 1 deletions

diff --git a/mappingdata.h b/mappingdata.h
index f76932b..00cf52a 100644
--- a/mappingdata.h
+++ b/mappingdata.h
@@ -15,7 +15,6 @@
 struct MappingData {
     MappingData();
     bool operator==(const MappingData &other);
-    //QDataStream &operator<<(QDataStream &out, const MappingData &d);
     bool isValid();
     int mappingId;
     int descId;