Added an explicit constructor to ParserDiagnostic to fix missing symbols.

src/CppParser/CppParser.cpp

@@ -35,6 +35,8 @@ ParserResult::ParserResult()
 {
 }
 
+ParserDiagnostic::ParserDiagnostic() {}
+
 DEF_STRING(ParserDiagnostic, FileName)
 DEF_STRING(ParserDiagnostic, Message)
 

src/CppParser/CppParser.h

@@ -53,6 +53,7 @@ enum struct ParserDiagnosticLevel
 
 struct CS_API ParserDiagnostic
 {
+    ParserDiagnostic();
     STRING(FileName)
     STRING(Message)
     ParserDiagnosticLevel Level;