Remove newlines from log messages

test/testkeys.c

@@ -35,11 +35,11 @@ int main(int argc, char *argv[])
     }
 
     if (!SDL_Init(SDL_INIT_VIDEO)) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s", SDL_GetError());
         exit(1);
     }
     for (scancode = 0; scancode < SDL_SCANCODE_COUNT; ++scancode) {
-        SDL_Log("Scancode #%d, \"%s\"\n", scancode,
+        SDL_Log("Scancode #%d, \"%s\"", scancode,
                 SDL_GetScancodeName(scancode));
     }
     SDL_Quit();