Address this build error when using binutils 2.24's ld(1):

====================
 .
 .
  CCLD   mono-sgen
/usr/local/bin/ld: mono-boehm: local symbol `__progname' in /usr/lib/crt1.o is referenced by DSO
/usr/local/bin/ld: final link failed: Bad value
clang: error: linker command failed with exit code 1 (use -v to see invocation)
gmake[4]: *** [mono-boehm] Error 1
gmake[4]: *** Waiting for unfinished jobs....
/usr/local/bin/ld: mono-sgen: local symbol `__progname' in /usr/lib/crt1.o is referenced by DSO
/usr/local/bin/ld: final link failed: Bad value
clang: error: linker command failed with exit code 1 (use -v to see invocation)
gmake[4]: *** [mono-sgen] Error 1
 .
 .
====================

See also:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=190851

--- mono/mini/ldscript.mono.orig	2014-03-31 14:25:50.000000000 -0600
+++ mono/mini/ldscript.mono	2014-06-18 14:27:28.000000000 -0600
@@ -7,6 +7,4 @@
               gc_thread_vtable;
               mini_type_is_vtype;
               mini_is_gsharedvt_klass;
-      local:
-              *;
 };