Fixed warnings.

diff --git a/MagickCore/nt-base.c b/MagickCore/nt-base.c
index 2216df54992fbd1f7f019d4aa0ab3c592e58f419..f2373bd852bda7cba929d98ceebd483d34b7655c 100644 (file)
--- a/MagickCore/nt-base.c
+++ b/MagickCore/nt-base.c
@@ -2239,8 +2239,8 @@ MagickPrivate int NTTruncateFile(int file,off_t length)
     high,
     low;
 
-  file_handle=_get_osfhandle(file);
-  if (file_handle == -1L)
+  file_handle=(HANDLE)_get_osfhandle(file);
+  if (file_handle == (HANDLE)-1L)
     return(-1);
   low=(long) (length & 0xffffffffUL);
   high=(long) ((((MagickOffsetType) length) >> 32) & 0xffffffffUL);