eliminate compile warning

Author: Cristy

magick/memory.c

@@ -631,9 +631,6 @@ MagickExport void *AcquireCriticalMemory(const size_t size)
 #define STDERR_FILENO 2
 #endif
 
-  int
-    status;
-
   static const char fatal_message[] =
     "ImageMagick: fatal error: unable to acquire critical memory\n";
 
@@ -646,8 +643,7 @@ MagickExport void *AcquireCriticalMemory(const size_t size)
   memory=AcquireMagickMemory(size);
   if (memory != (void *) NULL)
     return(memory);
-  status=MagickWrite(STDERR_FILENO,fatal_message,sizeof(fatal_message)-1);
-  (void) status;
+  (void) MagickWrite(STDERR_FILENO,fatal_message,sizeof(fatal_message)-1);
   MagickCoreTerminus();
   _exit(EXIT_FAILURE);
 }