perl-net-ssleay: fix build

the new option OPTIMIZE needs the same replacement.

see http://autobuild.buildroot.net/results/278f9d121273a16cedc009c0b8df0a8659d8fb73/

Signed-off-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/perl-net-ssleay/perl-net-ssleay.mk

@@ -15,10 +15,11 @@ PERL_NET_SSLEAY_LICENSE_FILES = LICENSE
 # suffers from: don't search for openssl, they pick the host-system one.
 PERL_NET_SSLEAY_CONF_ENV = OPENSSL_PREFIX=$(STAGING_DIR)/usr
 
-# Remove problematic single quotes in LDDLFLAGS & CCFLAGS definition
+# Remove problematic single quotes in LDDLFLAGS, CCFLAGS & OPTIMIZE definition
 define PERL_NET_SSLEAY_FIX_MAKEFILE
 	$(SED) "s/^LDDLFLAGS = '\(.*\)'/LDDLFLAGS = \1/" $(@D)/Makefile
 	$(SED) "s/^CCFLAGS = '\(.*\)'/CCFLAGS = \1/" $(@D)/Makefile
+	$(SED) "s/^OPTIMIZE = '\(.*\)'/OPTIMIZE = \1/" $(@D)/Makefile
 endef
 PERL_NET_SSLEAY_POST_CONFIGURE_HOOKS += PERL_NET_SSLEAY_FIX_MAKEFILE