[PATCH] perf/core: Fix a warning in util/trace-event-parse.c

From: While I compile the perf in Red Hat Enterprise Linux Server release 5.4 (Tikanga), I got a warning: CC util/trace-event-parse.o cc1: warnings being treated as errors util/trace-event-parse.c: In function 'parse_proc_kallsyms': util/trace-event-parse.c:232: warning: 'fmt' may be used

[PATCH] perf/core: Fix a warning in util/trace-event-parse.c

From: chenggang@taobao.com While I compile the perf in Red Hat Enterprise Linux Server release 5.4 (Tikanga), I got a warning: CC util/trace-event-parse.o cc1: warnings being treated as errors util/trace-event-parse.c: In function 'parse_proc_kallsyms': util/trace-event-parse.c:232: