Fixes for bugs in the usage of IO_CACHE

Docs/manual.texi:
  Fixed the TRUNCATE syntax + Changelog
include/my_sys.h:
  Added my_b_vprintf
mysys/mf_iocache2.c:
  Added my_b_vprintf
mysys/my_vsnprintf.c:
  Fixed fatal (new) bug
mysys/thr_lock.c:
  Cleanup
readline/bind.c:
  cleanup
scripts/Makefile.am:
  Added mysqldumpslow
sql-bench/crash-me.sh:
  Fixed TRUNCATE
sql/log.cc:
  bug fix
sql/log_event.cc:
  Removed compiler warnings
sql/log_event.h:
  Fixed non portable header in binary dump
sql/mf_iocache.cc:
  cleanup
sql/mysqld.cc:
  Fixed loop problem on NT
sql/slave.cc:
  cleanup
sql/sql_class.cc:
  Fixed typos
sql/sql_parse.cc:
  cleanup
sql/sql_select.cc:
  bugfix
sql/sql_table.cc:
  cleanup
sql/sql_yacc.yy:
  Changed ALTER TABLE ... ORDER BY to get fewer warnings
sql/unireg.cc:
  cleanup
sql/unireg.h:
  Added missing define

1 files changed, 3 insertions, 3 deletions

diff --git a/sql/unireg.cc b/sql/unireg.cc
index 49f4a9fbfac..d02af0ef0d0 100644
--- a/sql/unireg.cc
+++ b/sql/unireg.cc
@@ -280,11 +280,11 @@ static uint pack_keys(uchar *keybuff,uint key_count,KEY *keyinfo)
   }
 	/* Save keynames */
   keyname_pos=pos;
-  *pos++=NAMES_SEP_CHAR;
+  *pos++=(uchar) NAMES_SEP_CHAR;
   for (key=keyinfo ; key != end ; key++)
   {
     uchar *tmp=(uchar*) strmov((char*) pos,key->name);
-    *tmp++=NAMES_SEP_CHAR;
+    *tmp++= (uchar) NAMES_SEP_CHAR;
     *tmp=0;
     pos=tmp;
   }
@@ -458,7 +458,7 @@ static bool pack_fields(File file,List<create_field> &create_fields)
   }
 
 	/* Write fieldnames */
-  buff[0]=NAMES_SEP_CHAR;
+  buff[0]=(uchar) NAMES_SEP_CHAR;
   if (my_write(file,(byte*) buff,1,MYF_RW))
     DBUG_RETURN(1);
   i=0;