media-sound/supercollider: Fix invalid desktop file

Thanks-to: CaptainBlood <luc_pierard_de_maujouy@yahoo.fr>
Closes: https://bugs.gentoo.org/636090
Package-Manager: Portage-2.3.19, Repoman-2.3.6

media-sound/supercollider/files/supercollider-3.8.0-desktop.patch

@@ -0,0 +1,10 @@
+--- a/editors/sc-ide/SuperColliderIDE.desktop	2016-08-22 11:12:21.000000000 +0300
++++ b/editors/sc-ide/SuperColliderIDE.desktop	2017-10-31 18:26:58.520164204 +0300
+@@ -5,6 +5,5 @@ 
+ Icon=sc_ide
+ Type=Application
+ Terminal=false
+-Patterns=*.scd;*.sc;*.schelp
+-Categories=Application;Multimedia;Audio;AudioVideo
++Categories=X-Multimedia;Audio;AudioVideo
+ MimeType=text/x-sc;

media-sound/supercollider/supercollider-3.8.0-r1.ebuild

@@ -58,6 +58,7 @@ PATCHES=(
 	"${FILESDIR}"/${P}-no-qtpositioning.patch
 	"${FILESDIR}"/${P}-multilib.patch
 	"${FILESDIR}"/${P}-gcc-7.patch
+	"${FILESDIR}"/${P}-desktop.patch
 )
 
 src_configure() {