Yan, Like 5e0acac490 tools: acrntrace: fix several compiler warnings ...

This commit fixes several compiler warnings before enabling compiler
options to harden software by:
- remove unused variables;
- add parentheses around assignment as compiler suggests;
- print warning if format string is truncated.

Tracked-On: #1122
Signed-off-by: Yan, Like <like.yan@intel.com>
Acked-by: Yin Fengwei <fengwei.yin@intel.com>

2018-09-25 13:09:41 +08:00

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