Call init_signals before intializing table handlers. This should fix the signal problem in Innobase on Solaris


Docs/manual.texi:
  Updated changelog
include/myisam.h:
  Let ALTER TABLE and LOAD DATA INFILE use sorting to create index
myisam/mi_check.c:
  Let ALTER TABLE and LOAD DATA INFILE use sorting to create index
myisam/myisamchk.c:
  Let ALTER TABLE and LOAD DATA INFILE use sorting to create index
sql/ha_myisam.cc:
  Let ALTER TABLE and LOAD DATA INFILE use sorting to create index
sql/mysqld.cc:
  Call init_signals before intializing table handlers. This should fix the signal problem in Innobase on Solaris