Add new musl + FreeBSD to target list

Author: alexcrichton

master/build-rust-manifest.py

@@ -61,6 +61,7 @@
     "x86_64-apple-darwin",
     "i686-apple-darwin",
     "x86_64-unknown-freebsd",
+    "i686-unknown-freebsd",
     "x86_64-unknown-netbsd",
     "arm-unknown-linux-gnueabi",
     "arm-unknown-linux-gnueabihf",
@@ -84,6 +85,7 @@
     "i686-pc-windows-msvc",
     "i586-pc-windows-msvc",
     "i686-unknown-linux-gnu",
+    "i686-unknown-linux-musl",
     "i586-unknown-linux-gnu",
     "mips-unknown-linux-musl",
     "mipsel-unknown-linux-musl",