Suppress 'comparison-is-always-true' warning on machines

where char is signed by default.

diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 3cd543b5e686ba5ea552824cdefed5f4f78c857d..99818c324acf170c2b854431735016a128d880da 100644 (file)
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -3,7 +3,7 @@
  *             back to source text
  *
  * IDENTIFICATION
- *   $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.69 2000/11/16 22:30:31 tgl Exp $
+ *   $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.70 2000/11/18 04:40:18 tgl Exp $
  *
  *   This software is copyrighted by Jan Wieck - Hamburg.
  *
@@ -1841,7 +1841,7 @@ get_const_expr(Const *constval, deparse_context *context)
                    appendStringInfoChar(buf, '\\');
                    appendStringInfoChar(buf, ch);
                }
-               else if (ch >= 0 && ch < ' ')
+               else if (((unsigned char) ch) < ((unsigned char) ' '))
                    appendStringInfo(buf, "\\%03o", (int) ch);
                else
                    appendStringInfoChar(buf, ch);