Fixed 64 bit warning.

diff --git a/MagickCore/nt-base.c b/MagickCore/nt-base.c
index f1c2000aed252a9581faf04c04dad2be231bf7ed..80bc6122aaccfda726552b55e283e13ec464fbbe 100644 (file)
--- a/MagickCore/nt-base.c
+++ b/MagickCore/nt-base.c
@@ -2448,7 +2448,7 @@ MagickPrivate int NTTruncateFile(int file,off_t length)
     low;
 
   file_handle=(HANDLE) _get_osfhandle(file);
-  if (file_handle == (HANDLE) -1L)
+  if (file_handle == INVALID_HANDLE_VALUE)
     return(-1);
   low=(long) (length & 0xffffffffUL);
   high=(long) ((((MagickOffsetType) length) >> 32) & 0xffffffffUL);