rust-uninstall.patch

diff -up rust-1.16.0-x86_64-unknown-linux-gnu/install.sh.uninstall-fix rust-1.16.0-x86_64-unknown-linux-gnu/install.sh
--- rust-1.16.0-x86_64-unknown-linux-gnu/install.sh.uninstall-fix	2017-04-20 16:42:26.332631287 +0200
+++ rust-1.16.0-x86_64-unknown-linux-gnu/install.sh	2017-04-20 16:42:54.318869276 +0200
@@ -127,6 +127,7 @@ write_to_file() {
     local _msg="$1"
     local _file="$2"
     local _line="$ echo \"$_msg\" > \"$_file\""
+    rm -f "$_file"
     echo "$_msg" > "$_file"
     local _retval=$?
     log_line "$_line"