dbus: fix pkg-config file

sys-apps/dbus/dbus-1.12.20.recipe

@@ -13,7 +13,7 @@ use behind a firewall with shared NFS home directories."
 HOMEPAGE="https://freedesktop.org/wiki/Software/dbus/"
 COPYRIGHT="2014 Red Hat, Inc."
 LICENSE="GNU GPL v2"
-REVISION="1"
+REVISION="2"
 SOURCE_URI="https://dbus.freedesktop.org/releases/dbus/dbus-$portVersion.tar.gz"
 CHECKSUM_SHA256="f77620140ecb4cdc67f37fb444f8a6bea70b5b6461f12f1cbe2cec60fa7de5fe"
 PATCHES="dbus-$portVersion.patchset"
@@ -68,6 +68,7 @@ PROVIDES_devel="
 	"
 REQUIRES_devel="
 	dbus$secondaryArchSuffix == $portVersion base
+	devel:libexecinfo$secondaryArchSuffix
 	"
 
 BUILD_REQUIRES="
@@ -118,6 +119,11 @@ INSTALL()
 	mv $libDir/dbus-1.0/include/dbus/*.h $includeDir/dbus-1.0/dbus/
 	rm -rf $libDir/dbus-1.0/
 
+	sed -i \
+		-e 's|-I${libdir}/dbus-1.0/include||' \
+		-e "s|prefix}/include|prefix}/$relativeIncludeDir|g" \
+		$libDir/pkgconfig/dbus-1.pc
+
 	prepareInstalledDevelLib libdbus-1
 	fixPkgconfig
 	packageEntries devel \