Rollup merge of rust-lang#58156 - h-michael:update-rust-installer, r=Centril

kennytm · web-flow · commit 4c9bef0cf882 · 2019-02-07T13:57:43.000+08:00
update submodule: rust-installer from 27dec6c to ccdc47b Update rust-installer cc: rust-lang#58099 rust-lang/rust-installer@27dec6c...ccdc47b r? @Centril
diff --git a/src/tools/rust-installer b/src/tools/rust-installer
@@ -1 +1 @@
-Subproject commit 27dec6cae3a8132d8a073aad6775425c85095c99
+Subproject commit ccdc47b657a7600cbd0c2858eb52a8d712cfce18
