libopus_sys 0.3.2

FFI-Binding to Opus, dynamically or statically linked for Windows and UNIX.
Documentation
# Change Log

An overview of changes:

## [0.2.0]

* Now requires `cmake`.
* Windows will build via `cmake` too.
* Windows pre-built binaries have been removed.
* Updated `bindgen` to version `0.58`.

## [0.1.8]

This release adds build support for FreeBSD.

## [0.1.7]

Add missing `opus`-folder.

## [0.1.6]

This release removes the `bindgen`-dependency from the default features.
Additionally, the `bindgen`-feature has been added in order to generate a new binding.

## [0.1.4 and 0.1.5]

v0.1.4:
This release fixes a problem where `audiopus_sys` could not find the
Opus folder.

v0.1.5:
Convert Unix-relevant files' EOLs from CRLF to LF inside the opus-folder.

### **Fix**
* Bundle the Opus project again.
* Added missing `cfg` on `find_via_pkg_config`.

## [0.1.3]

Fixes build-issues related to `pkg-config`.

## [0.1.2]

This release adds the ability to bypass `pkg-config`.

### **Added:**

* Ignore `pkg-config` when `LIBOPUS_NO_PKG` or `OPUS_NO_PKG` is set.
* Print the dynamic/static build cause via `cargo:info`.
* Add missing repository-link in `Cargo.toml`.

## [0.1.1]

### **Added:**

* Copy Opus' source to `OUT_DIR` before building to avoid modifying and generating files outside of `OUT_DIR`.

### **Fixed:**
* Convert Unix-relevant files' EOLs from `CRLF` to `LF` inside the `opus`-folder.
* Resolve unused import warnings when building with Unix.