branches/5.1:

In ha_innobase::info():

Replace sql_print_warning() which prints to mysqld error log with
push_warning_printf() which sends the error message to the client.

Suggested by:	Marko, Sunny, Michael
Objected by:	Inaam

handler/ha_innodb.cc

@@ -5952,12 +5952,21 @@ ha_innobase::info(
 						ib_table->space) * 1024;
 			} else {
 
-				sql_print_warning(
-					"Trying to get the free space for "
-					"table %s but its tablespace has "
-					"been discarded or the .ibd file "
-					"is missing. Setting the free space "
-					"to zero.", ib_table->name);
+				THD*	thd;
+
+				thd = ha_thd();
+
+				push_warning_printf(
+					thd,
+					MYSQL_ERROR::WARN_LEVEL_WARN,
+					ER_CANT_GET_STAT,
+					"InnoDB: Trying to get the free "
+					"space for table %s but its "
+					"tablespace has been discarded or "
+					"the .ibd file is missing. Setting "
+					"the free space to zero.",
+					ib_table->name);
+
 				stats.delete_length = 0;
 			}