mc: move one-liner patch into recipe

app-misc/mc/mc-4.8.18.recipe

@@ -11,7 +11,6 @@ LICENSE="GNU GPL v2"
 REVISION="1"
 SOURCE_URI="http://ftp.midnight-commander.org/mc-$portVersion.tar.xz"
 CHECKSUM_SHA256="f7636815c987c1719c4f5de2dcd156a0e7d097b1d10e4466d2bdead343d5bece"
-PATCHES="mc-$portVersion.patch"
 
 ARCHITECTURES="x86_gcc2 x86 x86_64"
 
@@ -56,6 +55,12 @@ BUILD_PREREQUIRES="
 	cmd:tar
 	"
 
+PATCH()
+{
+	sed -i '1i #define REAL_UNIX_SYSTEM' lib/tty/tty-slang.h
+}
+
+
 BUILD()
 {
 	CFLAGS="-D_BSD_SOURCE" LIBS=-lnetwork runConfigure configure \

app-misc/mc/patches/mc-4.8.18.patch

@@ -1,11 +0,0 @@
-diff --git a/lib/tty/tty-slang.h b/lib/tty/tty-slang.h
---- a/lib/tty/tty-slang.h
-+++ b/lib/tty/tty-slang.h
-@@ -1,6 +1,7 @@
- 
- #ifndef MC__TTY_SLANG_H
- #define MC__TTY_SLANG_H
-+#define REAL_UNIX_SYSTEM
- 
- #ifdef HAVE_SLANG_SLANG_H
- #include <slang/slang.h>