GraphicsMagick: add some makedepends to the -devel package.

These libraries are requested at link time when using
GraphicsMagick*-config programs, so they should be included in the
-devel package instead of being added to makedepends of all the other
packages.

Also shorten INSTALL.msg.

srcpkgs/GraphicsMagick/INSTALL.msg

@@ -1,12 +1,4 @@
- The libgraphicsmagick-devel package contain also:
-
- - The documentation for GraphicsMagick found in:
-
-   /usr/share/doc/GraphicsMagick/www
-
- - GraphicsMagick PERL extension.
-   To install this extension follow the instructions in:
+ The libgraphicsmagick-devel package contains the GraphicsMagick PERL
+ extension. To install this extension follow the instructions in:
 
    /usr/share/doc/GraphicsMagick/PerlMagick/README.txt
-
-  The Void Linux Team

srcpkgs/GraphicsMagick/template

@@ -1,15 +1,17 @@
 # Template file for 'GraphicsMagick'
 pkgname=GraphicsMagick
 version=1.3.35
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--with-quantum-depth=16 --with-gs-font-dir=/usr/share/fonts/Type1
  --with-modules --with-perl --without-lcms --without-jp2 --enable-shared --disable-static"
 hostmakedepends="pkg-config perl"
-makedepends="perl libjpeg-turbo-devel libpng-devel tiff-devel
- lcms2-devel freetype-devel libwebp-devel fontconfig-devel libXext-devel
- libXt-devel libltdl-devel libxml2-devel libwmf-devel liblzma-devel libgomp-devel
- ghostscript-devel"
+# libraries listed in GraphicsMagick++-config --libs
+_develdepends="lcms2-devel freetype-devel libXext-devel libSM-devel libICE-devel
+ libX11-devel liblzma-devel bzip2-devel zlib-devel libltdl-devel libgomp-devel"
+makedepends="perl libjpeg-turbo-devel libpng-devel tiff-devel libwebp-devel
+ fontconfig-devel libXt-devel libxml2-devel libwmf-devel ghostscript-devel
+ ${_develdepends}"
 depends="ghostscript"
 short_desc="GraphicsMagick Image Processing System"
 maintainer="Orphaned <orphan@voidlinux.org>"
@@ -34,7 +36,7 @@ libgraphicsmagick_package() {
 }
 libgraphicsmagick-devel_package() {
 	short_desc="GraphicsMagick image manipulation libraries - development files"
-	depends="libgraphicsmagick>=${version}_${revision}"
+	depends="libgraphicsmagick>=${version}_${revision} ${_develdepends}"
 	pkg_install() {
 		vmove usr/include
 		vmove usr/lib/pkgconfig