Built SDL2_image and _mixer static

libsdl2_image/external/tiff-4.0.9/TODO

@@ -0,0 +1,12 @@
+#	$Header: /cvs/libtiff/TODO,v 1.6 2002/10/10 05:28:43 warmerda Exp $
+
+o gif2tiff segaulting on selected images
+o tiffcmp read data by strip/tile instead of scanline
+o YCbCr sampling support
+o extracate colorspace conversion support
+o look at isolating all codecs from TIFF library
+o JPEG colormode order dependency problem
+o Write documentation on how do extend tags, and how the custom field
+  stuff all works. 
+
+