Unique variable name

src/freedombone-utils-config

 
     if [ $CONFIGURATION_FILE ]; then
         if [ -f $CONFIGURATION_FILE ]; then
-            if grep -q "${param_name}" $CONFIGURATION_FILE; then
+            if grep -q "${param_name}=" $CONFIGURATION_FILE; then
                 ${param_name}=$(cat $CONFIGURATION_FILE | grep "${param_name}=" | head -n 1 | awk -F '=' '{print $2}')
             fi
         fi