Make sqlite3SafetyOn() and sqlite3SafetyOff() macros which disappear when
compiling without -DSQLITE_DEBUG=1. (CVS 4744)

FossilOrigin-Name: 5375ad6b4b652f388469b0ce4e8e78b3f49169bd
diff --git a/src/vdbeblob.c b/src/vdbeblob.c
index 1fa71f1..6565294 100644
--- a/src/vdbeblob.c
+++ b/src/vdbeblob.c
@@ -12,7 +12,7 @@
 **
 ** This file contains code used to implement incremental BLOB I/O.
 **
-** $Id: vdbeblob.c,v 1.18 2008/01/10 23:50:11 drh Exp $
+** $Id: vdbeblob.c,v 1.19 2008/01/23 03:03:05 drh Exp $
 */
 
 #include "sqliteInt.h"
@@ -109,7 +109,7 @@
       }
       sqlite3_free(sParse.zErrMsg);
       rc = SQLITE_ERROR;
-      sqlite3SafetyOff(db);
+      (void)sqlite3SafetyOff(db);
       sqlite3BtreeLeaveAll(db);
       goto blob_open_out;
     }
@@ -123,7 +123,7 @@
     if( iCol==pTab->nCol ){
       sqlite3_snprintf(sizeof(zErr), zErr, "no such column: \"%s\"", zColumn);
       rc = SQLITE_ERROR;
-      sqlite3SafetyOff(db);
+      (void)sqlite3SafetyOff(db);
       sqlite3BtreeLeaveAll(db);
       goto blob_open_out;
     }
@@ -141,7 +141,7 @@
             sqlite3_snprintf(sizeof(zErr), zErr,
                              "cannot open indexed column for writing");
             rc = SQLITE_ERROR;
-            sqlite3SafetyOff(db);
+            (void)sqlite3SafetyOff(db);
             sqlite3BtreeLeaveAll(db);
             goto blob_open_out;
           }