functions: fix loop increment in save_frequencies()

The 'index' variable was not incremented ending with only the last cpu
frequency saved in $frequencies_backup0.

Signed-off-by: Thierry Escande <thierry.escande@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/functions.sh b/include/functions.sh
index 0105776..e9f66d1 100644
--- a/include/functions.sh
+++ b/include/functions.sh
@@ -403,6 +403,7 @@ save_frequencies() {
         freq_value=$(cat $CPU_PATH/$cpu/cpufreq/scaling_cur_freq)
         eval $freq_array$index=$freq_value
         eval export $freq_array$index
+        index=$((index + 1))
     done
 }