ext/jpeg_jpeg.c in jpeg-0.2.1 vs ext/jpeg_jpeg.c in jpeg-0.2.2

@@ -11,11 +11,11 @@
 static void jpeg_jpeg_free(struct jpeg_jpeg *p);
 static VALUE jpeg_jpeg_width(VALUE self);
 static VALUE jpeg_jpeg_height(VALUE self);
 static VALUE jpeg_jpeg_size(VALUE self);
 
-extern VALUE Error;
+extern VALUE Jpeg_Error;
 
 void Init_jpeg_jpeg() {
     Jpeg = rb_define_class("Jpeg", rb_cObject);
     rb_define_alloc_func(Jpeg, jpeg_jpeg_alloc);
     rb_define_singleton_method(Jpeg, "open", jpeg_jpeg_s_open, -1);
@@ -24,10 +24,10 @@
     rb_define_method(Jpeg, "size", jpeg_jpeg_size, 0);
 }
 void jpeg_jpeg_exit(j_common_ptr jpeg) {
     char buffer[JMSG_LENGTH_MAX];
     jpeg->err->format_message(jpeg, buffer);
-    rb_raise(Error, buffer);
+    rb_raise(Jpeg_Error, buffer);
 }
 
 static VALUE jpeg_jpeg_alloc(VALUE klass) {
     struct jpeg_jpeg *jpeg = ALLOC(struct jpeg_jpeg);