Fix ifdefs

Author: Temdog007

src/test/SDL_test_common.c

@@ -1399,7 +1399,7 @@ bool SDLTest_CommonInit(SDLTest_CommonState *state)
             if (state->num_windows > 1) {
                 (void)SDL_snprintf(title, SDL_arraysize(title), "%s %d",
                                    state->window_title, i + 1);
-#if SDL_PLATFORM_EMSCRIPTEN
+#ifdef SDL_PLATFORM_EMSCRIPTEN
                 if (i != 0) {
                     char id[64];
                     SDL_snprintf(id, sizeof(id), "#canvas%d", i + 1);

src/video/SDL_video.c

@@ -2648,7 +2648,7 @@ bool SDL_RecreateWindow(SDL_Window *window, SDL_WindowFlags flags)
 
     // Don't actually recreate the window in Emscripten because the SDL_WindowData's
     // canvas_id and keyboard_element would be lost if destroyed
-#if !SDL_PLATFORM_EMSCRIPTEN
+#ifndef SDL_PLATFORM_EMSCRIPTEN
     if (_this->DestroyWindow && !(flags & SDL_WINDOW_EXTERNAL)) {
         _this->DestroyWindow(_this, window);
     }
@@ -2680,7 +2680,7 @@ bool SDL_RecreateWindow(SDL_Window *window, SDL_WindowFlags flags)
         window->w = window->windowed.w = window->floating.w;
         window->h = window->windowed.h = window->floating.h;
 
-#if SDL_PLATFORM_EMSCRIPTEN
+#ifdef SDL_PLATFORM_EMSCRIPTEN
         // Prevent -Wunused-but-set-variable
         (void)loaded_opengl;
         (void)loaded_vulkan;
@@ -2727,7 +2727,7 @@ bool SDL_RecreateWindow(SDL_Window *window, SDL_WindowFlags flags)
         _this->SetWindowHitTest(window, true);
     }
 
-#if !SDL_PLATFORM_EMSCRIPTEN
+#ifndef SDL_PLATFORM_EMSCRIPTEN
     SDL_FinishWindowCreation(window, flags);
 #endif