$NetBSD: patch-configure.ac,v 1.1 2017/09/12 08:31:20 dholland Exp $

Remove bashism in configure script.

--- configure.ac~	2016-03-29 03:30:07.000000000 +0000
+++ configure.ac
@@ -465,7 +465,7 @@ if test "x$found_static" = xyes; then
 		LIBS="compat/memcpy.o -Wl,--wrap=memcpy $LIBS"
 	fi
 	LIBS="compat/clock_gettime.o libc/fdelt_chk.o $LIBS"
-	LIBS="-Wl,-Bstatic ${LIBS/-ldl/} -Wl,-Bdynamic -ldl"
+	LIBS="-Wl,-Bstatic $(echo ${LIBS} | sed -e s/-ldl//) -Wl,-Bdynamic -ldl"
 fi
 
 # Check for BSD-style integer types.