SDL_image: distribute .gitmodules so that external/download.sh works from tarball.

From a9d6db303cae0142db7a068811305c2c56e58566 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Tue, 10 May 2022 21:55:10 +0300
Subject: [PATCH] distribute .gitmodules so that external/download.sh works
 from tarball.

---
 Makefile.am | 2 +-
 Makefile.in | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 0873ffd..8627fcf 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -52,7 +52,7 @@ EXTRA_DIST = CHANGES.txt LICENSE.txt README.txt README-emscripten.txt \
 	Xcode			\
 	external		\
 	SDL2_image.spec		\
-	autogen.sh
+	autogen.sh .gitmodules
 
 
 libSDL2_image_la_LDFLAGS = 	\
diff --git a/Makefile.in b/Makefile.in
index d28281d..be1a0e5 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -488,7 +488,7 @@ EXTRA_DIST = CHANGES.txt LICENSE.txt README.txt README-emscripten.txt \
 	Xcode			\
 	external		\
 	SDL2_image.spec		\
-	autogen.sh
+	autogen.sh .gitmodules
 
 libSDL2_image_la_LDFLAGS = \
 	-no-undefined		\