[CPUFREQ] print_speed and speedbuffer are only used if DEBUG isn't set

so put #ifdefs around them.
Signed-off-by: Dominik Brodowski <linux@brodo.de>
Signed-off-by: Dave Jones <davej@redhat.com>

arch/i386/kernel/cpu/cpufreq/longhaul.c

@@ -72,6 +72,8 @@ static int voltage_table[32];
 static unsigned int highest_speed, lowest_speed; /* kHz */
 static int longhaul_version;
 static struct cpufreq_frequency_table *longhaul_table;
+
+#ifdef CONFIG_CPU_FREQ_DEBUG
 static char speedbuffer[8];
 
 static char *print_speed(int speed)
@@ -86,6 +88,7 @@ static char *print_speed(int speed)
 
 	return speedbuffer;
 }
+#endif
 
 
 static unsigned int calc_speed(int mult)