Small fixes done while reviewing pushed code

mysql-test/r/innodb-replace.result:
  Added proper cleanup for test
mysql-test/t/innodb-replace.test:
  Added proper cleanup for test
sql/share/english/errmsg.txt:
  Don't extend the possible length of error message too much for common errors are MySQL 4.0 clients has a limit of 200 characters

mysql-test/r/innodb-replace.result

+drop table if exists t1;
 create table t1 (c1 char(5) unique not null, c2 int, stamp timestamp) engine=innodb;
 select * from t1;
 c1	c2	stamp

mysql-test/t/innodb-replace.test

@@ -2,6 +2,10 @@
 # embedded server ignores 'delayed', so skip this
 -- source include/not_embedded.inc
 
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
 #
 # Bug #1078
 #

sql/share/english/errmsg.txt

@@ -67,7 +67,7 @@ character-set=latin1
 "Column '%-.64s' cannot be null",
 "Unknown database '%-.64s'",
 "Table '%-.64s' already exists",
-"Unknown table '%-.180s'",
+"Unknown table '%-.100s'",
 "Column '%-.64s' in %-.64s is ambiguous",
 "Server shutdown in progress",
 "Unknown column '%-.64s' in '%-.64s'",