libcbor: fix shared build

[intelligide]

Specify library name and version: libcbor/0.7.0

• 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.

#2578

[conan-center-bot]

Changes not allowed in build 1:

[docs/error_knowledge_base.md, recipes/glog/all/conanfile.py, recipes/glog/all/patches/fix-cmake.patch, recipes/glog/all/test_package/CMakeLists.txt, recipes/glog/all/test_package/conanfile.py, recipes/glog/all/test_package/test_package.cpp, recipes/libcbor/all/conandata.yml, recipes/libcbor/all/conanfile.py, recipes/libcbor/all/patches/0.7.0/001_fix_shared_build.patch, recipes/libsigcpp/3.0.0/conanfile.py, recipes/libsigcpp/3.0.0/test_package/CMakeLists.txt, recipes/libsigcpp/3.0.0/test_package/conanfile.py, recipes/poco/all/CMakeLists.txt, recipes/poco/all/conandata.yml, recipes/poco/all/conanfile.py, recipes/poco/all/test_package/CMakeLists.txt, recipes/poco/all/test_package/conanfile.py, recipes/restinio/all/conandata.yml, recipes/restinio/all/conanfile.py, recipes/restinio/config.yml, recipes/xkbcommon/all/conanfile.py, recipes/xkbcommon/all/test_package/CMakeLists.txt, recipes/zlib/1.2.11/conanfile.py]

Split them in several pull requests if you are making changes in more than one folder.

[conan-center-bot]

All green in build 2 (96a0b1c5bf66ad6fa9e172aba4f1f7aed33a333c)! 😊

• libcbor/0.7.0: Generated 82 packages. All logs here

[SSE4]

patch is good, but it's huge, I hope you will submit it upstream, otherwise it might be hard to maintain

[intelligide]

patch is good, but it's huge, I hope you will submit it upstream, otherwise it might be hard to maintain

A PR is already open ;) PJK/libcbor#148