Removing trailing.

Author: LucianoPAlmeida

lib/Driver/Driver.cpp

@@ -123,10 +123,10 @@ static void validateBridgingHeaderArgs(DiagnosticEngine &diags,
                                        const ArgList &args) {
   if (!args.hasArgNoClaim(options::OPT_import_objc_header))
     return;
-  
+
   if (args.hasArgNoClaim(options::OPT_import_underlying_module))
     diags.diagnose({}, diag::error_framework_bridging_header);
-  
+
   if (args.hasArgNoClaim(options::OPT_emit_module_interface,
                          options::OPT_emit_module_interface_path)) {
     diags.diagnose({}, diag::error_bridging_header_module_interface);