libtool: passthrough -fstack-protector* to linker

on some platforms this is needed for gcc to link libssp

Signed-off-by: Steven Barth <steven@midlink.org>

SVN-Revision: 46030

tools/libtool/patches/160-passthrough-ssp.patch

@@ -0,0 +1,12 @@
+diff -ur libtool-2.4.orig/libltdl/config/ltmain.m4sh libtool-2.4/libltdl/config/ltmain.m4sh
+--- libtool-2.4.orig/libltdl/config/ltmain.m4sh	2015-06-18 10:46:15.499996979 +0200
++++ libtool-2.4/libltdl/config/ltmain.m4sh	2015-06-18 10:48:24.686882213 +0200
+@@ -5061,7 +5061,7 @@
+       # -O*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
+       -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
+       -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
+-      -O*|-flto*|-fwhopr*|-fuse-linker-plugin)
++      -O*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*)
+         func_quote_for_eval "$arg"
+ 	arg="$func_quote_for_eval_result"
+         func_append compile_command " $arg"