updating test's result now that SHOW BINLOG EVENTS quotes and escapes user variables.

mysql-test/r/rpl_user_variables.result:
  adding quotes to the variable names, and escaping, in the result

mysql-test/r/rpl_user_variables.result

@@ -78,32 +78,32 @@ NULL
 NULL
 show binlog events from 141;
 Log_name	Pos	Event_type	Server_id	Orig_log_pos	Info
-slave-bin.000001	141	User var	2	141	@i1=12345678901234
-slave-bin.000001	184	User var	2	184	@i2=-12345678901234
-slave-bin.000001	227	User var	2	227	@i3=0
-slave-bin.000001	270	User var	2	270	@i4=-1
+slave-bin.000001	141	User var	2	141	@`i1`=12345678901234
+slave-bin.000001	184	User var	2	184	@`i2`=-12345678901234
+slave-bin.000001	227	User var	2	227	@`i3`=0
+slave-bin.000001	270	User var	2	270	@`i4`=-1
 slave-bin.000001	313	Query	1	313	use `test`; insert into t1 values (@i1), (@i2), (@i3), (@i4)
-slave-bin.000001	396	User var	2	396	@r1=12.5
-slave-bin.000001	439	User var	2	439	@r2=-12.5
+slave-bin.000001	396	User var	2	396	@`r1`=12.5
+slave-bin.000001	439	User var	2	439	@`r2`=-12.5
 slave-bin.000001	482	Query	1	482	use `test`; insert into t1 values (@r1), (@r2)
-slave-bin.000001	551	User var	2	551	@s1=_latin1'This is a test' COLLATE latin1_swedish_ci
-slave-bin.000001	600	User var	2	600	@s2=_latin1'' COLLATE latin1_swedish_ci
-slave-bin.000001	635	User var	2	635	@s3=_latin1'abc'def' COLLATE latin1_swedish_ci
-slave-bin.000001	677	User var	2	677	@s4=_latin1'abc\def' COLLATE latin1_swedish_ci
-slave-bin.000001	719	User var	2	719	@s5=_latin1'abc'def' COLLATE latin1_swedish_ci
+slave-bin.000001	551	User var	2	551	@`s1`=_latin1'This is a test' COLLATE latin1_swedish_ci
+slave-bin.000001	600	User var	2	600	@`s2`=_latin1'' COLLATE latin1_swedish_ci
+slave-bin.000001	635	User var	2	635	@`s3`=_latin1'abc\'def' COLLATE latin1_swedish_ci
+slave-bin.000001	677	User var	2	677	@`s4`=_latin1'abc\\def' COLLATE latin1_swedish_ci
+slave-bin.000001	719	User var	2	719	@`s5`=_latin1'abc\'def' COLLATE latin1_swedish_ci
 slave-bin.000001	761	Query	1	761	use `test`; insert into t1 values (@s1), (@s2), (@s3), (@s4), (@s5)
-slave-bin.000001	851	User var	2	851	@n1=NULL
+slave-bin.000001	851	User var	2	851	@`n1`=NULL
 slave-bin.000001	877	Query	1	877	use `test`; insert into t1 values (@n1)
-slave-bin.000001	939	User var	2	939	@n2=NULL
+slave-bin.000001	939	User var	2	939	@`n2`=NULL
 slave-bin.000001	965	Query	1	965	use `test`; insert into t1 values (@n2)
 slave-bin.000001	1027	Query	1	1027	use `test`; insert into t1 values (@a:=0), (@a:=@a+1), (@a:=@a+1)
-slave-bin.000001	1115	User var	2	1115	@a=2
+slave-bin.000001	1115	User var	2	1115	@`a`=2
 slave-bin.000001	1157	Query	1	1157	use `test`; insert into t1 values (@a+(@b:=@a+1))
-slave-bin.000001	1229	User var	2	1229	@q=_latin1'abc' COLLATE latin1_swedish_ci
+slave-bin.000001	1229	User var	2	1229	@`q`=_latin1'abc' COLLATE latin1_swedish_ci
 slave-bin.000001	1266	Query	1	1266	use `test`; insert t1 values (@q), (@q:=concat(@q, 'n1')), (@q:=concat(@q, 'n2'))
-slave-bin.000001	1370	User var	2	1370	@a=5
+slave-bin.000001	1370	User var	2	1370	@`a`=5
 slave-bin.000001	1412	Query	1	1412	use `test`; insert into t1 values (@a),(@a)
-slave-bin.000001	1478	User var	2	1478	@a=NULL
+slave-bin.000001	1478	User var	2	1478	@`a`=NULL
 slave-bin.000001	1503	Query	1	1503	use `test`; insert into t1 values (@a),(@a),(@a*5)
 drop table t1;
 stop slave;