Fix a typo in the code, detected by lintian \o/
---
 lib/mrwfile.cpp |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- libopenraw.orig/lib/mrwfile.cpp
+++ libopenraw/lib/mrwfile.cpp
@@ -155,7 +155,7 @@ namespace OpenRaw {
 			}
 			else if(ref->getValue(MRW::MRWTAG_THUMBNAIL_OFFSET, tnail_offset)) {
 				if(!ref->getValue(MRW::MRWTAG_THUMBNAIL_LENGTH, tnail_len)) {
-					Trace(WARNING) << "thumbnail lenght entry not found\n";
+					Trace(WARNING) << "thumbnail length entry not found\n";
 					return ret;
 				}
 			}