Treat .bin files as hex in diff.

.gitattributes

@@ -1,11 +1,12 @@
+*.bin binary diff=hex
 *.c   eol=lf
 *.cpp eol=lf
 *.h   eol=lf
-*.sc  eol=lf
-*.sh  eol=lf
+*.lua eol=lf
 *.m   eol=lf
-*.mm  eol=lf
 *.md  eol=lf
-*.lua eol=lf
 *.mk  eol=lf
+*.mm  eol=lf
+*.sc  eol=lf
+*.sh  eol=lf
 makefile eol=lf