bugfix! better filter for arm asm function names
bugfix! better filter for arm asm function names

filter out things like:
	some_func-0x1234:
and:
	somefunc@plt
and:
	.plt:

Signed-off-by: Jeremy C. Andrus <121e679d4a6aa9a54be65c25a0488d18050b0500@cs.columbia.edu>

columbia/libtrack,columbia/libtrack,columbia/libtrack,columbia/libtrack,columbia/libtrack,columbia/libtrack