Fixed testautomation log callback calling convention
(cherry picked from commit 9f7eb6c4c11b445da0fcadb357e1c7ed053b0084)
(cherry picked from commit c55bd24827398be6a2ef3fc48aae05d9f68ebb86)
diff --git a/test/testautomation_log.c b/test/testautomation_log.c
index c5d34b9..4edb487 100644
--- a/test/testautomation_log.c
+++ b/test/testautomation_log.c
@@ -8,7 +8,7 @@
static SDL_LogOutputFunction original_function;
static void *original_userdata;
-static void TestLogOutput(void *userdata, int category, SDL_LogPriority priority, const char *message)
+static void SDLCALL TestLogOutput(void *userdata, int category, SDL_LogPriority priority, const char *message)
{
int *message_count = (int *)userdata;
++(*message_count);