staging/easycap: add first level indentation to easycap_testcard.c

Add the first level indentation to easycap_testcard.c with astyle -t8.
No chackpatch warnings were created

Cc: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>