Whitespace fixes

src/backupninja.in

@@ -234,13 +234,13 @@ function isnow() {
                fi
                if [[ "$whentimeoriginal" != @([0-9][0-9])?(:[0-9][0-9]) ]]; then
                    warning "The time in the 'when' option in the configuration is malformed or does not exist. Please read the README for examples."
-	       fi
+               fi
                return 0
            fi
        fi
    elif [ "$whenday" != "$nowday" ]; then
        if [ "$whenday" -lt 1 -o "$whenday" -gt 31 ]; then
-	   warning "The numeric value of the day in the 'when' option in the configuration does not match a day. Please read the README for examples."
+           warning "The numeric value of the day in the 'when' option in the configuration does not match a day. Please read the README for examples."
        fi
        if [ -z "$whentime" ]; then
            warning "The 'when' variable in the configuration file is malformed. You either didn't specify the day or the time. Please read the README for eamples."