webp: bump to 0.6.0

Signed-off-by: Marcus Hoffmann <m.hoffmann@cartelsol.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/webp/webp.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256	b75310c810b3eda222c77f6d6c26b061240e3d9060095de44b2c1bae291ecdef	libwebp-0.5.2.tar.gz
+sha256	c928119229d4f8f35e20113ffb61f281eda267634a8dc2285af4b0ee27cf2b40	libwebp-0.6.0.tar.gz

package/webp/webp.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-WEBP_VERSION = 0.5.2
+WEBP_VERSION = 0.6.0
 WEBP_SOURCE = libwebp-$(WEBP_VERSION).tar.gz
 WEBP_SITE = http://downloads.webmproject.org/releases/webp
 WEBP_LICENSE = BSD-3-Clause