Make sc_usb_devices_destroy() static

It is only called from the implementation file.

PR #4371 <https://github.com/Genymobile/scrcpy/pull/4371>

Signed-off-by: Romain Vimont <rom@rom1v.com>

app/src/cli.c

@@ -1085,7 +1085,7 @@ print_shortcut(const struct sc_shortcut *shortcut, unsigned cols) {
     while (shortcut->shortcuts[i]) {
         printf("    %s\n", shortcut->shortcuts[i]);
         ++i;
-    };
+    }
 
     char *text = sc_str_wrap_lines(shortcut->text, cols, 8);
     if (!text) {

app/src/usb/usb.c

@@ -93,7 +93,7 @@ sc_usb_device_move(struct sc_usb_device *dst, struct sc_usb_device *src) {
     src->product = NULL;
 }
 
-void
+static void
 sc_usb_devices_destroy(struct sc_vec_usb_devices *usb_devices) {
     for (size_t i = 0; i < usb_devices->size; ++i) {
         sc_usb_device_destroy(&usb_devices->data[i]);

app/src/util/log.c

@@ -147,7 +147,7 @@ sc_sdl_log_print(void *userdata, int category, SDL_LogPriority priority,
 }
 
 void
-sc_log_configure() {
+sc_log_configure(void) {
     SDL_LogSetOutputFunction(sc_sdl_log_print, NULL);
     // Redirect FFmpeg logs to SDL logs
     av_log_set_callback(sc_av_log_callback);

app/src/util/log.h

@@ -36,6 +36,6 @@ sc_log_windows_error(const char *prefix, int error);
 #endif
 
 void
-sc_log_configure();
+sc_log_configure(void);
 
 #endif