Fixed compiler warnings and test cases problems found by buildbot

mysql-test/r/dyncol.result:
  Updated test results
mysql-test/r/index_intersect.result:
  Updated results
mysql-test/r/index_intersect_innodb.result:
  Updated results
mysql-test/t/dyncol.test:
  Added replace_result for floating point results that are different on windows
  Added round() around a result to get same result on all platforms.
mysql-test/t/index_intersect.test:
  Added replace_result to fix that index_merge may put key names in different order.
mysys/ma_dyncol.c:
  Fixed compiler warnings on Solaris
sql/key.cc:
  Fixed compiler warnings on Solaris
sql/mysqld.cc:
  Fixed compiler warning on windows
support-files/compiler_warnings.supp:
  Suppressed an unintersting warning on Solaris

support-files/compiler_warnings.supp

@@ -67,7 +67,6 @@ vi\.c : unused parameter
 common\.c : unused parameter
 term\.c : .*
 
-
 #
 # Ignore some warnings in libevent, which is not maintained by us.
 #
@@ -146,6 +145,7 @@ table_xt\.cc : variable.*might be clobbered by.*longjmp
 
 #
 # Yassl
+#
 include/runtime.hpp: .*pure_error.*
 .*/extra/yassl/.*taocrypt/.*: comparison with string literal
 .*/extra/yassl/taocrypt/src/blowfish\.cpp: array subscript is above array bounds
@@ -158,6 +158,12 @@ mySTL/algorithm\.hpp: is used uninitialized in this function
 #
 .*/dbug/.*(groff|<standard input>) : .*
 
+#
+# Warnings on OpenSolaris
+#
+.*/my_config\.h : _FILE_OFFSET_BITS
+/usr/include/sys/feature_tests.h : this is the location of the previous definition
+
 #
 # Unexplanable (?) stuff
 #