Fixed FindSymbolsPass to not ignore declarations in CLI generator.

src/Generator/Passes/FindSymbolsPass.cs

@@ -6,26 +6,34 @@ namespace CppSharp.Passes
     {
         public override bool VisitDeclaration(Declaration decl)
         {
-            if (!Driver.Options.CheckSymbols)
+            var mangledDecl = decl as IMangledDecl;
+            if (mangledDecl == null)
                 return false;
 
-            var mangledDecl = decl as IMangledDecl;
-            if (mangledDecl != null && !VisitMangledDeclaration(mangledDecl))
+            var options = Driver.Options;
+            if (!options.CheckSymbols || options.IsCLIGenerator)
+                return false;
+
+            if (!VisitMangledDeclaration(mangledDecl))
             {
                 decl.ExplicityIgnored = true;
                 return false;
             }
+
             return base.VisitDeclaration(decl);
         }
 
         private bool VisitMangledDeclaration(IMangledDecl mangledDecl)
         {
             var symbol = mangledDecl.Mangled;
+
             if (!Driver.LibrarySymbols.FindSymbol(ref symbol))
             {
-                Driver.Diagnostics.EmitWarning(DiagnosticId.SymbolNotFound, "Symbol not found: {0}", symbol);
+                Driver.Diagnostics.EmitWarning(DiagnosticId.SymbolNotFound,
+                    "Symbol not found: {0}", symbol);
                 return false;
             }
+
             mangledDecl.Mangled = symbol;
             return true;
         }