xkbcommon: Small fixes

[jwillikers]

Specify library name and version: xkbcommon/*

Small fixes that weren't able to be addressed before #11636 was merged.

@SpaceIm PTAL

---

• I've read the guidelines for contributing.
• I've followed the PEP8 style guides for Python code in the recipes.
• I've used the latest Conan client version.
• I've tried at least one configuration locally with the conan-center hook activated.

[ghost]

I detected other pull requests that are modifying xkbcommon/all recipe:

• Add support for cross build using meson #12008

This message is automatically generated by https://github.com/ericLemanissier/conan-center-conflicting-prs so don't hesitate to report issues/improvements there.

[conan-center-bot]

All green in build 3 (d2127ef4e311a3e7e8251fa1c2c21af97cfda0a8):

• xkbcommon/1.1.0@:
  All packages built successfully! (All logs)

• xkbcommon/1.4.0@:
  All packages built successfully! (All logs)

• xkbcommon/1.4.1@:
  All packages built successfully! (All logs)

• xkbcommon/1.3.1@:
  All packages built successfully! (All logs)

• xkbcommon/1.3.0@:
  All packages built successfully! (All logs)

• xkbcommon/1.0.1@:
  All packages built successfully! (All logs)

• xkbcommon/1.0.3@:
  All packages built successfully! (All logs)

• xkbcommon/0.10.0@:
  All packages built successfully! (All logs)

• xkbcommon/1.2.1@:
  All packages built successfully! (All logs)