The "examples_clean" top-level build target calls "make clean" for each
individual example. However, for a number of those which were linux-only
examples, the "if" condition only had a dummy "all" target i.e. no "clean"
target, causing an error with examples_clean.
Fixes: 3417cd687e5e ("examples: ignore linux apps on bsd")
Cc: stable@dpdk.org
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
b2f4f2e2a6