Suppress pedantic warnings in C# testcases

Examples/test-suite/csharp_exceptions.i

@@ -198,7 +198,7 @@ enum UnmanagedExceptions {
   UnmanagedSystemException,
   UnmanagedArgumentException,
   UnmanagedArgumentNullException,
-  UnmanagedArgumentOutOfRangeException,
+  UnmanagedArgumentOutOfRangeException
 };
 
 void check_exception(UnmanagedExceptions e) {

Examples/test-suite/csharp_typemaps.i

@@ -77,17 +77,17 @@ public:
 Number quadruple(Number n) {
     n.Value *= 4;
     return n;
-};
+}
 Number times8(const Number& num) {
     Number n(num);
     n.Value *= 8;
     return n;
-};
+}
 Number times12(const Number* num) {
     Number n(*num);
     n.Value *= 12;
     return n;
-};
+}
 %}
 
 // Test $csinput expansion