fluxbox: bump version to 1.3.7

- Bump version to 1.3.7
- Update the hash file
- Use xz instead of bz2 to save disk space and bandwidth

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/fluxbox/fluxbox.hash

@@ -1,2 +1,2 @@
 # Locally computed:
-sha256  05cc2149b79155121cb0fff6d4fd0289e3edb669390714e0b54071bec987e686  fluxbox-1.3.6.tar.bz2
+sha256  fc8c75fe94c54ed5a5dd3fd4a752109f8949d6df67a48e5b11a261403c382ec0  fluxbox-1.3.7.tar.xz

package/fluxbox/fluxbox.mk

@@ -4,8 +4,8 @@
 #
 ################################################################################
 
-FLUXBOX_VERSION = 1.3.6
-FLUXBOX_SOURCE = fluxbox-$(FLUXBOX_VERSION).tar.bz2
+FLUXBOX_VERSION = 1.3.7
+FLUXBOX_SOURCE = fluxbox-$(FLUXBOX_VERSION).tar.xz
 FLUXBOX_SITE = http://downloads.sourceforge.net/project/fluxbox/fluxbox/$(FLUXBOX_VERSION)
 FLUXBOX_LICENSE = MIT
 FLUXBOX_LICENSE_FILES = COPYING