(no commit message)

diff --git a/MagickCore/nt-base.c b/MagickCore/nt-base.c
index 52fd5d6c802646d9bd12deffd0bdfde4cb892bfe..b358fd27835287c4de8d1a928730a11845912faf 100644 (file)
--- a/MagickCore/nt-base.c
+++ b/MagickCore/nt-base.c
@@ -2187,6 +2187,8 @@ MagickPrivate int NTSystemCommand(const char *command,char *output)
 
   if (command == (char *) NULL)
     return(-1);
+  read_output=(HANDLE) NULL;
+  write_output=(HANDLE) NULL;
   GetStartupInfo(&startup_info);
   startup_info.dwFlags=STARTF_USESHOWWINDOW;
   startup_info.wShowWindow=SW_SHOWMINNOACTIVE;