[BUGFIX] felogin: Invalid action url in changePassword form

Resolves: #50141
Releases: master, 6.2
Change-Id: I26a6215523ed409cbac8fe0f4659102d0b7ca365
Reviewed-on: http://review.typo3.org/22721


Reviewed-by: Benjamin Mack <benni@typo3.org>
Reviewed-by: Markus Sommer <markussom@posteo.de>
Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Reviewed-by: Susanne Moog <typo3@susannemoog.de>
Tested-by: Susanne Moog <typo3@susannemoog.de>