Merge kboortz@bk-internal.mysql.com:/home/bk/mysql-5.1

into  mysql.com:/home/kent/bk/docs-cleanup/mysql-5.1-build

support-files/compiler_warnings.supp

@@ -35,6 +35,11 @@ pars0lex.l: .*conversion from 'ulint' to 'int', possible loss of data.*
 .*/bdb/.* : .*empty body in an if-statement.*
 db_vrfy.c : .*comparison is always false due to limited range of data type.*
 
+#
+# readline is not maintained by us
+#
+.*/cmd-line-utils/readline/.* : .*
+
 #
 # Ignore all conversion warnings on windows 64
 # (Is safe as we are not yet supporting strings >= 2G)
@@ -77,3 +82,4 @@ mi_packrec.c : .*result of 32-bit shift implicitly converted to 64 bits.* : 560-
 # Wrong compiler warnings
 #
 .* : .*no matching operator delete found; memory will not be freed if initialization throws an exception.*
+ctype-simple.c : .*unary minus operator applied to unsigned type, result still unsigned.*