Whitespace cleanup

* remove trailing whitespace
* remove empty lines at the end of files

plugins/vpn/openvpn_as_mtime

@@ -36,7 +36,7 @@ GPLv2
 
 
 if [ "$1" = "autoconf" ]; then
-	echo yes 
+	echo yes
 	exit 0
 fi
 
@@ -62,7 +62,7 @@ if [ "$1" = "config" ]; then
         echo "time.label Users"
         echo "time.type GAUGE"
         echo "time.min 0"
-	
+
 	exit 0
 fi
 
@@ -78,5 +78,5 @@ fi
 
 # Total is total time between number of users between 60 for give it in minutes
 echo "time.value $(($(($SUM / $TOTU)) / 60))"
-	
+
 

plugins/vpn/openvpn_as_traffic

@@ -40,7 +40,7 @@ SUM2=0
 NOW=`date +%s`
 
 if [ "$1" = "autoconf" ]; then
-	echo yes 
+	echo yes
 	exit 0
 fi
 

plugins/vpn/openvpn_as_ttime

@@ -36,7 +36,7 @@ GPLv2
 
 
 if [ "$1" = "autoconf" ]; then
-	echo yes 
+	echo yes
 	exit 0
 fi
 
@@ -73,7 +73,7 @@ if [ "$1" = "config" ]; then
         	echo "$NAME.min 0"
 		COUNT=$((COUNT + 1))
 	done
-	
+
 	exit 0
 fi
 

plugins/vpn/openvpn_as_users

@@ -33,7 +33,7 @@ GPLv2
 
 
 if [ "$1" = "autoconf" ]; then
-	echo yes 
+	echo yes
 	exit 0
 fi
 
@@ -59,9 +59,9 @@ if [ "$1" = "config" ]; then
         echo "users.type GAUGE"
         echo "users.draw AREA"
         echo "users.min 0"
-	
-        echo "users.warning $((VAL2 * $WARN / 100))"	
-        echo "users.critical $VAL2"	
+
+        echo "users.warning $((VAL2 * $WARN / 100))"
+        echo "users.critical $VAL2"
 
 
         echo "limit.label Limit"
@@ -76,5 +76,5 @@ fi
 
 echo "users.value $VAL1"
 echo "limit.value $VAL2"
-	
+