package/sdl2_image: bump to version 2.0.5

The hash of the license is updated because the copyright year was
updated in COPYING.txt:

-  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>

Signed-off-by: Peter Macleod Thompson <peter.macleod.thompson@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/sdl2_image/sdl2_image.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256 3510c25da735ffcd8ce3b65073150ff4f7f9493b866e85b83738083b556d2368  SDL2_image-2.0.3.tar.gz
-sha256 13240ed78c8726c510b9634976430d3d3a9ea2d1ced3214119766e9e71568a35  COPYING.txt
+sha256 bdd5f6e026682f7d7e1be0b6051b209da2f402a2dd8bd1c4bd9c25ad263108d0  SDL2_image-2.0.5.tar.gz
+sha256 45079362e2230154205413a6940544ca94e3479ccf76205c71c4f542a6815d25  COPYING.txt

package/sdl2_image/sdl2_image.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-SDL2_IMAGE_VERSION = 2.0.3
+SDL2_IMAGE_VERSION = 2.0.5
 SDL2_IMAGE_SOURCE = SDL2_image-$(SDL2_IMAGE_VERSION).tar.gz
 SDL2_IMAGE_SITE = http://www.libsdl.org/projects/SDL_image/release
 SDL2_IMAGE_INSTALL_STAGING = YES