Fix conditional casting.

src/include/access/heapam.h

@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: heapam.h,v 1.10 1997/08/29 00:44:55 momjian Exp $
+ * $Id: heapam.h,v 1.11 1997/09/04 16:20:55 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -96,10 +96,10 @@ typedef HeapAccessStatisticsData *HeapAccessStatistics;
 #define heap_getattr(tup, b, attnum, tupleDesc, isnull) \
     (AssertMacro((tup) != NULL) ? \
 	((attnum) > (int) (tup)->t_natts) ? \
-	    (((isnull) ? (*(isnull) = true) : (char *)NULL), (char *)NULL) : \
+	    (((isnull) ? (*(isnull) = true) : (char)NULL), (char *)NULL) : \
 	((attnum) > 0) ? \
 	    fastgetattr((tup), (attnum), (tupleDesc), (isnull)) : \
-	(((isnull) ? (*(isnull) = false) : (char *)NULL), heap_getsysattr((tup), (b), (attnum))) : \
+	(((isnull) ? (*(isnull) = false) : (char)NULL), heap_getsysattr((tup), (b), (attnum))) : \
     (char *)NULL)
 
 extern HeapAccessStatistics heap_access_stats;	/* in stats.c */