Fixed the generated C++/CLI when a header and a contained name-space bear the same name.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/Generator/Generators/CLI/CLIHeaders.cs

@@ -177,7 +177,7 @@ namespace CppSharp.Generators.CLI
                 PopBlock(NewLineKind.BeforeNextBlock);
             }
 
-            if (decl.HasFunctions)
+            if (decl.Functions.Any(f => f.IsGenerated))
                 GenerateFunctions(decl);
 
             foreach (var childNamespace in decl.Namespaces)

src/Generator/Generators/CLI/CLISources.cs

@@ -95,17 +95,11 @@ namespace CppSharp.Generators.CLI
                 GenerateClass(@class);
             }
 
-            if (@namespace.HasFunctions)
+            // Generate all the function declarations for the module.
+            foreach (var function in @namespace.Functions.Where(f => f.IsGenerated))
             {
-                // Generate all the function declarations for the module.
-                foreach (var function in @namespace.Functions)
-                {
-                    if (!function.IsGenerated)
-                        continue;
-
-                    GenerateFunction(function, @namespace);
-                    NewLine();
-                }
+                GenerateFunction(function, @namespace);
+                NewLine();
             }
 
             if (Options.GenerateFunctionTemplates)

tests/Common/AnotherUnit.cpp

@@ -7,3 +7,7 @@ void DelegateNamespace::Nested::f3(void (*)())
 void DelegateNamespace::f4(void (*)())
 {
 }
+
+void AnotherUnit::f()
+{
+}