replaced type fix with the recommended way

src/google/protobuf/compiler/ruby/ruby_generator.cc

@@ -45,15 +45,9 @@ namespace google {
 namespace protobuf {
 namespace compiler {
 namespace ruby {
-
-#if _MSC_VER >= 1400 // VS 2005 and above
-  // <stdint.h> is not part of the standard, so we need to map
-  // to MSVC's custom sized integer types instead.	
-  typedef unsigned __int32 uint32_t;
-#endif
 	
 // Forward decls.
-std::string IntToString(uint32_t value);
+std::string IntToString(uint32 value);
 std::string StripDotProto(const std::string& proto_file);
 std::string LabelForField(google::protobuf::FieldDescriptor* field);
 std::string TypeName(google::protobuf::FieldDescriptor* field);
@@ -70,7 +64,7 @@ void GenerateEnumAssignment(
     const google::protobuf::EnumDescriptor* en,
     google::protobuf::io::Printer* printer);
 
-std::string IntToString(uint32_t value) {
+std::string IntToString(uint32 value) {
   std::ostringstream os;
   os << value;
   return os.str();