Fix some formats and conversion errors

include/common.h

@@ -23,7 +23,6 @@
 
 #define _GNU_SOURCE
 #define _FILE_OFFSET_BITS 64
-#define _LARGEFILE64_SOURCE
 
 #define NOMINMAX 1
 

include/types.h

@@ -673,7 +673,7 @@ typedef struct hash
 typedef struct outfile_data
 {
   char   *file_name;
-  long   seek;
+  off_t   seek;
   time_t ctime;
 
 } outfile_data_t;