SDL_image: examples: fix warnings in examples

From 2c5d040da909622195afd2dd052aa9554987ea78 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Mon, 5 Jun 2023 02:30:52 +0200
Subject: [PATCH] examples: fix warnings in examples

---
 showanim.c  | 4 +++-
 showimage.c | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/showanim.c b/showanim.c
index 46c59c9e..5e476ac8 100644
--- a/showanim.c
+++ b/showanim.c
@@ -61,6 +61,8 @@ int main(int argc, char *argv[])
     int current_frame, delay;
     SDL_Event event;
 
+    (void)argc;
+
     /* Check command line usage */
     if ( ! argv[1] ) {
         SDL_Log("Usage: %s [-fullscreen] <image_file> ...\n", argv[0]);
@@ -140,7 +142,7 @@ int main(int argc, char *argv[])
                             case SDLK_ESCAPE:
                             case SDLK_q:
                                 argv[i+1] = NULL;
-                            /* Drop through to done */
+                                SDL_FALLTHROUGH;
                             case SDLK_SPACE:
                             case SDLK_TAB:
                             done = 1;
diff --git a/showimage.c b/showimage.c
index 25982628..372dd262 100644
--- a/showimage.c
+++ b/showimage.c
@@ -61,6 +61,8 @@ int main(int argc, char *argv[])
     SDL_Event event;
     const char *saveFile = NULL;
 
+    (void)argc;
+
     /* Check command line usage */
     if ( ! argv[1] ) {
         SDL_Log("Usage: %s [-fullscreen] [-save file.png] <image_file> ...\n", argv[0]);
@@ -155,7 +157,7 @@ int main(int argc, char *argv[])
                         case SDLK_ESCAPE:
                         case SDLK_q:
                             argv[i+1] = NULL;
-                        /* Drop through to done */
+                            SDL_FALLTHROUGH;
                         case SDLK_SPACE:
                         case SDLK_TAB:
                             done = 1;