Abigailed reader: compare against nullptr in a couple of places

This is a bit clearer than just testing the pointer.

PiperOrigin-RevId: 599756047
Change-Id: I899669bef0bfa808bec857bab01643656174f0a4

1 files changed, 2 insertions, 2 deletions

diff --git a/abigail_reader.cc b/abigail_reader.cc
index 835d75e..cdfc1c6 100644
--- a/abigail_reader.cc
+++ b/abigail_reader.cc
@@ -1157,7 +1157,7 @@ void Abigail::ProcessEnum(Id id, xmlNodePtr enumeration) {
   }
 
   xmlNodePtr underlying = Child(enumeration);
-  Check(underlying) << "enum-decl has no child elements";
+  Check(underlying != nullptr) << "enum-decl has no child elements";
   CheckName("underlying-type", underlying);
   const auto type = GetEdge(underlying);
 
@@ -1306,7 +1306,7 @@ Document Read(const std::string& path, Metrics& metrics) {
 Id Read(Graph& graph, const std::string& path, Metrics& metrics) {
   const Document document = Read(path, metrics);
   xmlNodePtr root = xmlDocGetRootElement(document.get());
-  Check(root) << "XML document has no root element";
+  Check(root != nullptr) << "XML document has no root element";
   return Abigail(graph).ProcessRoot(root);
 }