zlib: replace -fPIC with $(FPIC)

SVN-Revision: 18093

package/zlib/Makefile

@@ -39,7 +39,7 @@ endef
 define Build/Compile
 	$(MAKE) -C $(PKG_BUILD_DIR) \
 		$(TARGET_CONFIGURE_OPTS) \
-		CFLAGS="$(TARGET_CFLAGS) -fPIC" \
+		CFLAGS="$(TARGET_CFLAGS) $(FPIC)" \
 		libz.a libz.so
 	mkdir -p $(PKG_INSTALL_DIR)
 	$(MAKE) -C $(PKG_BUILD_DIR) \