Fix switch/case code style

For readability and consistency, indent case statatements, and remove
unnecessary additional blocks.

app/src/scrcpy.c

@@ -85,10 +85,9 @@ static void event_loop(void) {
                         break;
                 }
                 break;
-            case SDL_TEXTINPUT: {
+            case SDL_TEXTINPUT:
                 input_manager_process_text_input(&input_manager, &event.text);
                 break;
-            }
             case SDL_KEYDOWN:
             case SDL_KEYUP:
                 input_manager_process_key(&input_manager, &event.key);
@@ -96,18 +95,16 @@ static void event_loop(void) {
             case SDL_MOUSEMOTION:
                 input_manager_process_mouse_motion(&input_manager, &event.motion);
                 break;
-            case SDL_MOUSEWHEEL: {
+            case SDL_MOUSEWHEEL:
                 input_manager_process_mouse_wheel(&input_manager, &event.wheel);
                 break;
-            }
             case SDL_MOUSEBUTTONDOWN:
-            case SDL_MOUSEBUTTONUP: {
+            case SDL_MOUSEBUTTONUP:
                 input_manager_process_mouse_button(&input_manager, &event.button);
                 break;
         }
     }
 }
-}
 
 SDL_bool scrcpy(const char *serial, Uint16 local_port, Uint16 max_size, Uint32 bit_rate) {
     if (!server_start(&server, serial, local_port, max_size, bit_rate)) {