No need to patch this when there's a configuration parameter.

--- binutils-2.16/configure	2005-04-03 09:16:17.000000000 -0500

+++ binutils-2.16-patched/configure	2005-04-22 20:58:35.377578864 -0500

@@ -4818,10 +4818,10 @@

 # Change the default to "no" on release branches.

 # Check whether --enable-werror or --disable-werror was given.

 if test "${enable_werror+set}" = set; then

-  enableval="$enable_werror"

+  enableval="no"

   :

 else

-  enable_werror=yes

+  enable_werror=no

 fi

 case ${enable_werror} in