Update functions.sh: Add dU_() for dialog underline

And use DIALOG_NC instead of DIALOG_NORMAL to be consistent with other functions

scripts/functions.sh

@@ -48,10 +48,11 @@ function wW_() { echo -e "${wWARNING}${1}${wNC}" ; }
 function wE_() { echo -e "${wERROR}${1}${wNC}" ; }
 function wD_() { echo -e "${wDEBUG}DEBUG: ${1}${wNC}" ; }
 # If the output may go to the "dialog" command (no "-e"):
-function dO_() { echo "${DIALOG_GREEN}${1}${DIALOG_NORMAL}" ; }
-function dW_() { echo "${DIALOG_RED}${1}${DIALOG_NORMAL}" ; }	# No DIALOG_YELLOW
-function dE_() { echo "${DIALOG_RED}${1}${DIALOG_NORMAL}" ; }
-function dD_() { echo "${DIALOG_BOLD}DEBUG: ${1}${DIALOG_NORMAL}" ; }
+function dO_() { echo "${DIALOG_GREEN}${1}${DIALOG_NC}" ; }
+function dW_() { echo "${DIALOG_YELLOW}${1}${DIALOG_NC}" ; }
+function dE_() { echo "${DIALOG_RED}${1}${DIALOG_NC}" ; }
+function dD_() { echo "${DIALOG_DEBUG}DEBUG: ${1}${DIALOG_NC}" ; }
+function dU_() { echo "${DIALOG_UNDERLINE}${1}${DIALOG_NC}" ; }
 
 
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