1 files changed, 1 insertions, 0 deletions
diff --git a/src/util.h b/src/util.h
index 9485c450..fd0ea5e9 100644
--- a/src/util.h
+++ b/src/util.h
@@ -48,6 +48,7 @@ extern std::string content_kind_to_string (ContentKind kind);
 extern ContentKind content_kind_from_string (std::string kind);
 extern bool starts_with (std::string big, std::string little);
 extern bool ends_with (std::string big, std::string little);
+extern bool empty_or_white_space (std::string s);
 
 extern opj_image_t* decompress_j2k (uint8_t* data, int64_t size, int reduce);
 extern boost::shared_ptr<ARGBFrame> xyz_to_rgb (opj_image_t* xyz_frame);