user/libqalculate: headers require gmp and mpfr

user/libqalculate/APKBUILD

@@ -9,7 +9,8 @@ arch="all"
 options="!check"  # missing potfiles
 license="GPL-2.0+"
 depends=""
-makedepends="curl-dev gmp-dev icu-dev intltool libxml2-dev mpfr-dev"
+depends_dev="gmp-dev mpfr-dev"
+makedepends="$depends_dev curl-dev icu-dev intltool libxml2-dev"
 subpackages="$pkgname-dev $pkgname-doc $pkgname-lang qalc"
 source="https://github.com/Qalculate/libqalculate/releases/download/v$pkgver/libqalculate-$pkgver.tar.gz"