Fixed compile error in timer test program if PRIu64 not available.
diff --git a/test/testtimer.c b/test/testtimer.c
index 5d8d8c7..7540d55 100644
--- a/test/testtimer.c
+++ b/test/testtimer.c
@@ -107,7 +107,7 @@ main(int argc, char *argv[])
now = SDL_GetPerformanceCounter();
SDL_Log("1 million iterations of ticktock took %f ms\n", (double)((now - start)*1000) / SDL_GetPerformanceFrequency());
- SDL_Log("Performance counter frequency: %"PRIu64"\n", (unsigned long long) SDL_GetPerformanceFrequency());
+ SDL_Log("Performance counter frequency: %"SDL_PRIu64"\n", (unsigned long long) SDL_GetPerformanceFrequency());
start32 = SDL_GetTicks();
start = SDL_GetPerformanceCounter();
SDL_Delay(1000);