nmon: simplify: use build_style=fetch and vbin.

srcpkgs/nmon/template

@@ -2,7 +2,7 @@
 pkgname=nmon
 version=15e
 revision=1
-create_wrksrc=yes
+build_style=fetch
 maintainer="Dominik Honnef <dominik@honnef.co>"
 makedepends="ncurses-devel"
 depends="ncurses"
@@ -10,14 +10,13 @@ license="GPL-3"
 homepage="http://nmon.sourceforge.net/pmwiki.php?n=Main.HomePage"
 short_desc="Nigel's performance Monitor for Linux"
 distfiles="${SOURCEFORGE_SITE}/nmon/files/lmon${version}.c"
-skip_extraction="lmon${version}.c"
 checksum=166354260d0749acff16a7b21c3518b4c85fa3a35db61c06537988a8069445fa
 
 do_build() {
 	$CC ${CFLAGS} ${LDFLAGS} -D JFS -D GETUSER -D LARGEMEM -D X86 \
-		${XBPS_SRCDISTDIR}/${pkgname}-${version}/lmon${version}.c -lncurses -lm -o nmon
+		lmon${version}.c -lncurses -lm -o nmon
 }
 
 do_install() {
-	vinstall nmon 755 usr/bin/
+	vbin nmon
 }