Add inline disclaimer to the header for the aaa exports

include/libmegapixels.h

@@ -171,6 +171,7 @@ libmegapixels_format_bits_per_pixel(int format);
 EXPORT int
 libmegapixels_mode_equals(libmegapixels_mode *a, libmegapixels_mode *b);
 
+// The AAA API is considered completely unstable and shouldn't be used yet
 
 EXPORT void
 libmegapixels_aaa_init(libmegapixels_aaa_stats *stats);
@@ -181,5 +182,4 @@ libmegapixels_aaa_set_matrix(libmegapixels_aaa_stats *stats, const float matrix1
 EXPORT void
 libmegapixels_aaa_software_statistics(libmegapixels_aaa_stats *stats, const unsigned int *frame, int width, int height);
 
-
 #endif