package/sdl2: bump version to 2.0.22

Signed-off-by: Michael Fischer <mf@go-sys.de>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/sdl2/sdl2.hash

@@ -1,4 +1,4 @@
-# Locally calculated after checking http://www.libsdl.org/release/SDL2-2.0.20.tar.gz.sig
-sha256  c56aba1d7b5b0e7e999e4a7698c70b63a3394ff9704b5f6e1c57e0c16f04dd06  SDL2-2.0.20.tar.gz
+# Locally calculated after checking http://www.libsdl.org/release/SDL2-2.0.22.tar.gz.sig
+sha256  fe7cbf3127882e3fc7259a75a0cb585620272c51745d3852ab9dd87960697f2e  SDL2-2.0.22.tar.gz
 # Locally calculated
 sha256  fcb07e07ac6bc8b2fcf047b50431ef4ebe5b619d7ca7c82212018309a9067426  LICENSE.txt

package/sdl2/sdl2.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-SDL2_VERSION = 2.0.20
+SDL2_VERSION = 2.0.22
 SDL2_SOURCE = SDL2-$(SDL2_VERSION).tar.gz
 SDL2_SITE = http://www.libsdl.org/release
 SDL2_LICENSE = Zlib