staging: android: fix indentation to match open parenthesis

This patches fixes the following checkpatch.pl warning:
	ashmem.c:450: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis

Signed-off-by: Fabian Holler <fabian.holler@profitbricks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>