package/hiredis: fix makefile code

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/hiredis/hiredis.mk

@@ -19,7 +19,7 @@ ifeq ($(BR2_STATIC_LIBS),y)
 HIREDIS_TARGETS += static
 else ifeq ($(BR2_SHARED_LIBS),y)
 HIREDIS_TARGETS += dynamic
-else ifeq $(BR2_SHARED_STATIC_LIBS),y)
+else ifeq ($(BR2_SHARED_STATIC_LIBS),y)
 HIREDIS_TARGETS += dynamic static
 endif