Merge version 1.22.1+dfsg1-1+rpi1 and 1.22.1+dfsg1-2 to produce 1.22.1+dfsg1-2+rpi1

diff --cc debian/changelog
index 4bfd334f6d499692953d04a73fab3ab75c2ee6d2,1233dd0fca811215bc9a62a33d0cafd2c7e6ac1a..68b35d1f1cc3f6e4ed5ac74f8dbad3bdb558ba02
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,12 -1,8 +1,18 @@@
- rustc (1.22.1+dfsg1-1+rpi1) buster-staging; urgency=medium
++rustc (1.22.1+dfsg1-2+rpi1) buster-staging; urgency=medium
 +
 +  [changes brought forward from 1.15.1+dfsg1-1~exp3+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Wed, 15 Mar 2017 10:16:18 +0000]
 +  * Fix clean target.
 +  * Build for armv6.
 +  [changes introduced in 1.18.0+dfsg1-4+rpi1 by Peter Michael Green]
 +  * Disable testsuite.
 +
-  -- Raspbian forward porter <root@raspbian.org>  Wed, 27 Dec 2017 23:41:13 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Sun, 07 Jan 2018 18:13:16 +0000
++
+ rustc (1.22.1+dfsg1-2) unstable; urgency=medium
+ 
+   * Fix B-D rustc version so this package can be built using itself.
+ 
+  -- Ximin Luo <infinity0@debian.org>  Mon, 01 Jan 2018 14:27:19 +0100
  
  rustc (1.22.1+dfsg1-1) unstable; urgency=medium