main/guile: put gmp-dev in depends_dev

main/guile/APKBUILD

@@ -6,15 +6,26 @@
 
 pkgname=guile
 pkgver=3.0.8
-pkgrel=5
+pkgrel=6
 pkgdesc="portable, embeddable Scheme implementation written in C"
 url="https://www.gnu.org/software/guile/"
 arch="all"
 license="LGPL-3.0-or-later AND GPL-3.0-or-later"
 subpackages="$pkgname-dev $pkgname-doc $pkgname-libs $pkgname-readline"
-makedepends="gmp-dev libtool ncurses-dev texinfo libunistring-dev libffi-dev
-	gc-dev readline-dev"
-depends_dev="guile gc-dev"
+depends_dev="
+	$pkgname=$pkgver-r$pkgrel
+	gc-dev
+	gmp-dev
+	"
+makedepends="
+	$depends_dev
+	libffi-dev
+	libtool
+	libunistring-dev
+	ncurses-dev
+	readline-dev
+	texinfo
+	"
 source="https://ftp.gnu.org/gnu/guile/guile-$pkgver.tar.gz
 	0002-Mark-mutex-with-owner-not-retained-threads-test-as-u.patch
 	failing-encoding-test.patch