Update sdl2-image for android builds
authoradvil <rawlins@gmail.com>
Sun, 18 Apr 2021 21:58:29 +0000 (17:58 -0400)
committeradvil <rawlins@gmail.com>
Mon, 3 May 2021 19:23:26 +0000 (15:23 -0400)
Per #1892.

crawl-ref/source/contrib/sdl2-image

index 9d03f5e..b727438 160000 (submodule)
@@ -1 +1 @@
-Subproject commit 9d03f5e3ef23d6e997a3918ff70230fafed068e3
+Subproject commit b7274387d00ee9a1182043f770339252364d9d37