cpufreq: Mark function as static in cpufreq.c

Mark function as static in cpufreq.c because it is not
used outside this file.

This eliminates the following warning in cpufreq.c:
drivers/cpufreq/cpufreq.c:355:9: warning: no previous prototype for ‘show_boost’ [-Wmissing-prototypes]

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rashika Kheria 2014-02-26 22:12:42 +05:30 • committed by Rafael J. Wysocki
commit 8a5c74a175