_filelength is a function of fd, not FILE *

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2038 6f19259b-4bc3-4df7-8a09-765794883524

Tools/CCode/Source/Common/CommonLib.c

@@ -496,10 +496,10 @@ Returns:
 
 #ifdef __GNUC__
 
-size_t _filelength(FILE *file)
+size_t _filelength(int fd)
 {
   struct stat stat_buf;
-  fstat(fileno(file), &stat_buf);
+  fstat(fd, &stat_buf);
   return stat_buf.st_size;
 }