package/dosfstools: bump version for bug fixes

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Acked-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/dosfstools/dosfstools.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-DOSFSTOOLS_VERSION = 3.0.18
+DOSFSTOOLS_VERSION = 3.0.20
 DOSFSTOOLS_SITE = http://daniel-baumann.ch/files/software/dosfstools
 DOSFSTOOLS_LICENSE = GPLv3+
 DOSFSTOOLS_LICENSE_FILES = COPYING