Fixed typo when removing space from argument to -O


Docs/manual.texi:
  Update of merge tables
myisam/mi_check.c:
  Moved test of FULLTEXT keys to make things more efficient
myisam/myisamchk.c:
  Incremented version
myisam/myisamdef.h:
  Fixed that myisamchk -R works on text columns
mysys/getvar.c:
  Fixed typo when removing space from argument to -O