glew: install glu-devel as a dependency of the -devel package.

srcpkgs/glew/template

@@ -1,7 +1,7 @@
 # Template build file for 'glew'.
 pkgname=glew
 version=1.12.0
-revision=1
+revision=2
 hostmakedepends="pkg-config"
 makedepends="libXext-devel libXmu-devel libXi-devel MesaLib-devel"
 short_desc="The OpenGL Extension Wrangler Library"
@@ -23,7 +23,7 @@ do_install() {
 }
 
 glew-devel_package() {
-	depends="glew-${version}_${revision}"
+	depends="glew-${version}_${revision} glu-devel"
 	short_desc+=" - development files"
 	pkg_install() {
 		vmove usr/include