Update 'SDL2' package to v2.0.16-p0 (#490)

Author: drodin

cmake/configs/default.cmake

@@ -143,7 +143,7 @@ hunter_default_version(Qwt VERSION 6.1-p3)
 hunter_default_version(RapidJSON VERSION 1.1.0-b557259-p0)
 hunter_default_version(RapidXML VERSION 1.13)
 hunter_default_version(RedisClient VERSION 0.6.1-p1)
-hunter_default_version(SDL2 VERSION 2.0.12-p0)
+hunter_default_version(SDL2 VERSION 2.0.16-p0)
 hunter_default_version(SDL_image VERSION 2.0.5-p0)
 hunter_default_version(SDL_mixer VERSION 2.0.4-p0)
 hunter_default_version(SDL_net VERSION 2.0.1-p0)

cmake/projects/SDL2/hunter.cmake

@@ -138,6 +138,17 @@ hunter_add_version(
         3c8b785215d415b57a708f54fcb62221f98ffc18
 )
 
+hunter_add_version(
+        PACKAGE_NAME
+        SDL2
+        VERSION
+        "2.0.16-p0"
+        URL
+        "https://github.com/cpp-pm/SDL/archive/v2.0.16-p0.tar.gz"
+        SHA1
+        3b8d0dfdbd1b062035a9432bff75a22ab439bcd1
+)
+
 hunter_add_version(
         PACKAGE_NAME
         SDL2