Mark .fixed files as Rust syntax for GitHub

Manishearth · Manishearth · commit 287ad5407a10 · 2018-05-28T11:36:13.000+02:00
diff --git a/.gitattributes b/.gitattributes
@@ -4,6 +4,7 @@
 *.cpp rust
 *.h rust
 *.rs rust
+*.fixed linguist-language=Rust
 src/etc/installer/gfx/* binary
 *.woff binary
 src/vendor/** -text
