elfutils: remove obstack_printf patch

The musl-obstack lib now also provides obstack_printf().

srcpkgs/elfutils/patches/musl-obstack_printf.patch

@@ -1,24 +0,0 @@
---- src/nm.c	2015-08-21 14:22:37.000000000 +0200
-+++ src/nm.c	2015-11-20 07:31:20.508347429 +0100
-@@ -46,6 +46,21 @@
- #include <system.h>
- #include "../libebl/libeblP.h"
- 
-+#if !defined(__GLIBC__)
-+static int obstack_printf(struct obstack *obst, const char *fmt, ...)
-+{
-+	char buf[1024];
-+	va_list ap;
-+	int len;
-+
-+	va_start(ap, fmt);
-+	len = vsnprintf(buf, sizeof(buf), fmt, ap);
-+	obstack_grow(obst, buf, len);
-+	va_end(ap);
-+
-+	return len;
-+}
-+#endif
- 
- /* Name and version of program.  */
- static void print_version (FILE *stream, struct argp_state *state);

srcpkgs/elfutils/template

@@ -1,7 +1,7 @@
 # Template file for 'elfutils'
 pkgname=elfutils
 version=0.167
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--program-prefix=eu-"
 hostmakedepends="automake libtool"