Removed compiler warnings

Fixed sporadic test failure for suit/pbxt/t/lock_multi.test
Fixed sporadic test faulure for suit/rpl/t/do_grant.test
OpenSolaris 5.11-x86 now compiles (tested with 32 bit)

BUILD/compile-solaris-amd64-debug-forte:
  Added execute bit
BUILD/compile-solaris-x86-32:
  Added execute bit
BUILD/compile-solaris-x86-32-debug:
  Added execute bit
BUILD/compile-solaris-x86-32-debug-forte:
  Added execute bit
BUILD/compile-solaris-x86-forte-32:
  Added execute bit
extra/libevent/devpoll.c:
  Removed compiler warning
extra/libevent/evbuffer.c:
  Removed compiler warning
extra/libevent/select.c:
  Removed compiler warning
mysql-test/mysql-test-run.pl:
  Fixed sporadic test faulure for suit/rpl/t/do_grant.test (Seen on OpenSolaris)
mysql-test/suite/pbxt/r/lock_multi.result:
  Fixed sporadic test failure for suit/pbxt/t/lock_multi.test (seen in buildbot)
  This was done by merging the test with main/lock_multi.test
mysql-test/suite/pbxt/t/lock_multi.test:
  Fixed sporadic test failure for suit/pbxt/t/lock_multi.test (seen in buildbot)
  This was done by merging the test with main/lock_multi.test
mysys/my_sync.c:
  Removed compiler warnings
sql/ha_ndbcluster.cc:
  Fixed linking error on OpenSolaris when compiling without ndb
  Bug #34866 Can't compile on Solaris 9/Sparc with gcc
storage/archive/azlib.h:
  Removed compiler warning about redefined symbols
storage/maria/ma_blockrec.c:
  Removed compiler warning
storage/maria/ma_loghandler.c:
  Removed compiler warning
storage/maria/ma_test3.c:
  Removed compiler warning
storage/myisam/mi_test3.c:
  Removed compiler warning
storage/pbxt/src/ha_pbxt.cc:
  Removed compiler warning
  thr_main -> thr_main_pbxt
storage/pbxt/src/restart_xt.cc:
  thr_main -> thr_main_pbxt
storage/pbxt/src/thread_xt.cc:
  thr_main -> thr_main_pbxt
  This was needed as thr_main() is an internal thread function on OpenSolaris()
storage/pbxt/src/thread_xt.h:
  thr_main -> thr_main_pbxt
storage/xtradb/srv/srv0srv.c:
  Use compatiblity macro to get code to work on OpenSolaris
support-files/compiler_warnings.supp:
  Ignore compiler warning from yassl

mysql-test/mysql-test-run.pl

@@ -4010,6 +4010,7 @@ sub extract_warning_lines ($) {
      qr/Slave I\/O: error reconnecting to master '.*' - retry-time: [1-3]  retries/,
      qr/Error reading packet/,
      qr/Slave: Can't drop database.* database doesn't exist/,
+     qr/Slave: Operation DROP USER failed for 'create_rout_db'/,
     );
 
   my $matched_lines= [];