Fix PERL ldopt handling

configure.in

@@ -682,11 +682,12 @@ if test $ol_enable_perl != no ; then
 
 	else
 		PERL_CPPFLAGS="`$PERLBIN -MExtUtils::Embed -e ccopts`"
-		PERL_LDFLAGS="`$PERLBIN -MExtUtils::Embed -e ldopts|sed -e s/\ -lc\ //g -e s/\ -lc\$// `"
+		PERL_LDFLAGS="`$PERLBIN -MExtUtils::Embed -e ldopts|sed -e 's/ -lc / /'`"
+
 		if test x"$ol_with_perl_module" = "xstatic" ; then
-			SLAPD_PERL_LDFLAGS="$PERL_LDFLAGS""
+			SLAPD_PERL_LDFLAGS="$PERL_LDFLAGS"
 		else
-			MOD_PERL_LDFLAGS="$PERL_LDFLAGS""
+			MOD_PERL_LDFLAGS="$PERL_LDFLAGS"
 		fi
 		dnl should check perl version
 		ol_link_perl=yes