Removed a needless renaming of parameters.

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

src/Generator/Generators/CSharp/CSharpMarshal.cs

@@ -495,7 +495,7 @@ namespace CppSharp.Generators.CSharp
                     Context.Return.Write("&_{0}", param.Name);
                 }
                 else
-                    Context.Return.Write(Helpers.SafeIdentifier(Context.Parameter.Name));
+                    Context.Return.Write(Context.Parameter.Name);
 
                 return true;
             }

tests/Basic/Basic.cpp

@@ -36,6 +36,10 @@ char Foo2::testCharMarshalling(char c)
     return c;
 }
 
+void Foo2::testKeywordParam(void* where)
+{
+}
+
 Bar::Bar()
 {
 }

tests/Basic/Basic.h

@@ -51,6 +51,7 @@ public:
     Foo2 operator<<(signed long l);
     Bar valueTypeField;
     char testCharMarshalling(char c);
+    void testKeywordParam(void* where);
 };
 
 DLL_API Bar::Item operator |(Bar::Item left, Bar::Item right);