[SCM] GNU libmatheval branch, patches/pkgconfig_libs, deleted. upstream/1.1.7-1-g6a27b8d

[Julian Taylor]

The branch, patches/pkgconfig_libs has been deleted
       was  6a27b8d45ea2af954f69f4dba05900b775ce1566

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6a27b8d45ea2af954f69f4dba05900b775ce1566 add internal lib dependencies to pkg-config file
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GNU libmatheval