audio: fix compiler issue due to improper braces or indentation

This commit resolves compiler warnings due to missing if braces or
due to incorrect indentations

misleading indentation; statement is not part of the previous 'if'
[-Werror,-Wmisleading-indentation]

Change-Id: I91038b88a539efd274facd4b44264ace126cea46
Signed-off-by: Naitik Bharadiya <bharad@codeaurora.org>