Symlinked libraries after commit #12164

[pethin]

When compiling, rustc produces the error:

src/gen/main.rs:1:1: 1:1 error: multiple rlib candidates for `std` found
src/gen/main.rs:1 // Copyright 2013 The gl-rs developers. For a full listing of the authors,
                  ^
src/gen/main.rs:1:1: 1:1 note: candidate #1: /usr/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-966edb7e-0.10-pre.rlib
src/gen/main.rs:1 // Copyright 2013 The gl-rs developers. For a full listing of the authors,
                  ^
src/gen/main.rs:1:1: 1:1 note: candidate #2: /usr/lib/libstd-966edb7e-0.10-pre.rlib
src/gen/main.rs:1 // Copyright 2013 The gl-rs developers. For a full listing of the authors,
                  ^
src/gen/main.rs:1:1: 1:1 error: multiple dylib candidates for `std` found
src/gen/main.rs:1 // Copyright 2013 The gl-rs developers. For a full listing of the authors,
                  ^
src/gen/main.rs:1:1: 1:1 note: candidate #1: /usr/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-966edb7e-0.10-pre.so
src/gen/main.rs:1 // Copyright 2013 The gl-rs developers. For a full listing of the authors,
                  ^
src/gen/main.rs:1:1: 1:1 note: candidate #2: /usr/lib/libstd-966edb7e-0.10-pre.so
src/gen/main.rs:1 // Copyright 2013 The gl-rs developers. For a full listing of the authors,
                  ^
error: aborting due to 2 previous errors

The libraries in /usr/lib/ are symlinked to the libraries in /usr/lib/rustlib/x86_64-unknown-linux-gnu/lib/.