Update functions.sh: Don't output obvious message

Also rename a variable so it better reflects what it is, and shorten a message.

scripts/functions.sh

@@ -766,7 +766,7 @@ function checkPixelValue()
 # Assume each number has already been checked, e.g., it's not a string.
 function checkWidthHeight()
 {
-	local NAME="${1}"
+	local NAME_PREFIX="${1}"
 	local ITEM="${2}"
 	local WIDTH="${3}"
 	local HEIGHT="${4}"
@@ -776,20 +776,22 @@ function checkWidthHeight()
 
 	# Width and height must both be 0 or non-zero.
 	if [[ (${WIDTH} -gt 0 && ${HEIGHT} -eq 0) || (${WIDTH} -eq 0 && ${HEIGHT} -gt 0) ]]; then
-		ERR+="${WSNs}${NAME} Width${WSNe} (${WSVs}${WIDTH}${WSVe})"
-		ERR+=" and ${WSNs}${NAME} Height${WSNe} (${WSVs}${HEIGHT}${WSVe})"
+		ERR+="${WSNs}${NAME_PREFIX} Width${WSNe} (${WSVs}${WIDTH}${WSVe})"
+		ERR+=" and ${WSNs}Height${WSNe} (${WSVs}${HEIGHT}${WSVe})"
 		ERR+=" must both be either 0 or non-zero.\n"
 		ERR+="The ${ITEM} will NOT be resized since it would look unnatural.\n"
-		ERR+="FIX: Either set both numbers to 0 to not resize,"
-		ERR+=" or set both numbers to something greater than 0."
+#x isn't the FIX obvious given the error message?
+#x		ERR+="FIX: Either set both numbers to 0 to not resize,"
+#x		ERR+=" or set both numbers to something greater than 0."
 
 	elif [[ ${WIDTH} -gt 0 && ${HEIGHT} -gt 0 &&
 			${SENSOR_WIDTH} -eq ${WIDTH} && ${SENSOR_HEIGHT} -eq ${HEIGHT} ]]; then
 		ERR+="Resizing a ${ITEM} to the same size as the sensor does nothing useful.\n"
-		ERR+="FIX: Check ${WSNs}${NAME} Width${WSNe} (${WIDTH}) and"
-		ERR+=" ${WSNs}${NAME} Height${WSNe} (${HEIGHT})"
-		ERR+=" and set them to something other than the sensor size"
-		ERR+=" (${WSVs}${SENSOR_WIDTH} x ${SENSOR_HEIGHT}${WSVe})."
+#x isn't the FIX obvious given the error message?
+#x		ERR+="FIX: Check ${WSNs}${NAME_PREFIX} Width${WSNe} (${WIDTH}) and"
+#x		ERR+=" ${WSNs}Height${WSNe} (${HEIGHT})"
+#x		ERR+=" and set them to something other than the sensor size"
+#x		ERR+=" (${WSVs}${SENSOR_WIDTH} x ${SENSOR_HEIGHT}${WSVe})."
 	fi
 
 	[[ -z ${ERR} ]] && return 0