vnstat: bump to version 1.14

Also add new dependency on BR2_USE_WCHAR (version 1.14 uses mbstowcs())
and rewrap help text to 72 characters.

Signed-off-by: Rodrigo Rebello <rprebello@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/vnstat/Config.in

@@ -1,11 +1,17 @@
 config BR2_PACKAGE_VNSTAT
 	bool "vnstat"
 	depends on BR2_USE_MMU # fork()
+	depends on BR2_USE_WCHAR # mbstowcs()
 	help
-	  vnStat is a console-based network traffic monitor that keeps a log of
-	  network traffic for the selected interface(s). It uses the network
-	  interface statistics provided by the kernel as information source.
-	  This means that vnStat won't actually be sniffing any traffic and also
-	  ensures light use of system resources.
+	  vnStat is a console-based network traffic monitor that keeps a
+	  log of network traffic for the selected interface(s). It uses
+	  the network interface statistics provided by the kernel as
+	  information source. This means that vnStat won't actually be
+	  sniffing any traffic and also ensures light use of system
+	  resources.
 
 	  http://humdi.net/vnstat
+
+comment "vnstat needs a toolchain w/ wchar"
+	depends on BR2_USE_MMU
+	depends on !BR2_USE_WCHAR

package/vnstat/vnstat.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256	af1050d9c1b22d4b9742fe0d1818de9eb1037b8e7f9ba67b962e108d8527be69	vnstat-1.12.tar.gz
+sha256	f8462a47d85d0890493dc9eaeafbc725ae631aa5b103fb7f8af4ddb2314e8386	vnstat-1.14.tar.gz

package/vnstat/vnstat.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-VNSTAT_VERSION = 1.12
+VNSTAT_VERSION = 1.14
 VNSTAT_SITE = http://humdi.net/vnstat
 VNSTAT_LICENSE = GPLv2
 VNSTAT_LICENSE_FILES = COPYING