--- src/line_buffer.cc.orig	2011-08-01 00:40:47.807000575 +0200
+++ src/line_buffer.cc	2011-08-01 00:41:10.471000575 +0200
@@ -302,7 +302,7 @@
 		    
 		    count = BZ2_bzread(bz_file,
 				       scratch,
-				       std::min((unsigned long)seek_to,
+				       std::min((size_t)seek_to,
 						sizeof(scratch)));
 		    seek_to -= count;
 		}