Bug#43962 "Packets out of order" calling a SHOW TABLE STATUS

Error happens because sp_head::MULTI_RESULTS is not set for SP
which has 'show table status' command.
The fix is to add a SQLCOM_SHOW_TABLE_STATUS case into
sp_get_flags_for_command() func.

mysql-test/r/sp.result

@@ -6994,6 +6994,21 @@ select name from mysql.proc where name = 'p' and sql_mode = @full_mode;
 name
 p
 drop procedure p;
+CREATE DEFINER = 'root'@'localhost' PROCEDURE p1()
+NOT DETERMINISTIC
+CONTAINS SQL
+SQL SECURITY DEFINER
+COMMENT ''
+BEGIN
+SHOW TABLE STATUS like 't1';
+END;//
+CREATE TABLE t1 (f1 INT);
+CALL p1();
+CALL p1();
+CALL p1();
+CALL p1();
+DROP PROCEDURE p1;
+DROP TABLE t1;
 # ------------------------------------------------------------------
 # -- End of 5.1 tests
 # ------------------------------------------------------------------

mysql-test/t/sp.test

@@ -8270,6 +8270,33 @@ select replace(@full_mode, 'ALLOW_INVALID_DATES', 'INVALID_DATES') into @full_mo
 select name from mysql.proc where name = 'p' and sql_mode = @full_mode;
 drop procedure p;
 
+#
+# Bug#43962 "Packets out of order" calling a SHOW TABLE STATUS
+#
+DELIMITER //;
+CREATE DEFINER = 'root'@'localhost' PROCEDURE p1()
+NOT DETERMINISTIC
+CONTAINS SQL
+SQL SECURITY DEFINER
+COMMENT ''
+BEGIN
+ SHOW TABLE STATUS like 't1';
+END;//
+DELIMITER ;//
+
+
+CREATE TABLE t1 (f1 INT);
+--disable_result_log
+let $tab_count= 4;
+while ($tab_count)
+{
+ EVAL CALL p1();
+ dec $tab_count ;
+}
+--enable_result_log
+DROP PROCEDURE p1;
+DROP TABLE t1;
+
 --echo # ------------------------------------------------------------------
 --echo # -- End of 5.1 tests
 --echo # ------------------------------------------------------------------

sql/sp_head.cc

@@ -207,6 +207,7 @@ sp_get_flags_for_command(LEX *lex)
   case SQLCOM_SHOW_STATUS_PROC:
   case SQLCOM_SHOW_STORAGE_ENGINES:
   case SQLCOM_SHOW_TABLES:
+  case SQLCOM_SHOW_TABLE_STATUS:
   case SQLCOM_SHOW_VARIABLES:
   case SQLCOM_SHOW_WARNS:
   case SQLCOM_REPAIR: