Fixes <https://issues.guix.gnu.org/46398>.
* gnu/packages/games.scm (hedgewars)[arguments]<#:phases>: Add the missing
"#include <QPainterPath>".
"-Dhaskell_flags=-dynamic;-fPIC")
#:phases
(modify-phases %standard-phases
+ (add-before 'configure 'fix-sources
+ (lambda _
+ ;; Fix a missing 'include'.
+ (substitute* "QTfrontend/ui/page/pagegamestats.cpp"
+ (("#include <QSizePolicy>")
+ "#include <QSizePolicy>\n#include <QPainterPath>"))))
(replace 'check
(lambda _ (invoke "ctest")))
(add-after 'install 'install-icon