acl: build fix with GCC 4.4.7

The acl source code uses pragmas inside functions, which is not
supported by gcc 4.4, still in use in older distributions. This commit
adds a patch that drops such pragma. Indeed, this acl is not built
with -Werror, the warning removals are not that important.

Signed-off-by: Hollis Blanchard <hollis_blanchard@mentor.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>