fix HSQLDB_JAR define in scp2/InstallModule_ooo.mk

for one HSQLDB_JAR is already a path and secondly, gb_Helper_make_path
doesn't even exist (anymore). It's supposed to end up in
URE_MORE_JAVA_CLASSPATH_URLS so use gb_Helper_make_url

Change-Id: I52c6117299caeb4fac8c894fc54564befc673e67
Reviewed-on: https://gerrit.libreoffice.org/55552
Tested-by: Jenkins
Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>

scp2/InstallModule_ooo.mk

@@ -33,7 +33,7 @@ $(eval $(call gb_InstallModule_define_if_set,scp2/ooo,\
 
 $(eval $(call gb_InstallModule_add_defs,scp2/ooo,\
 	$(if $(SYSTEM_HSQLDB),\
-		-DHSQLDB_JAR=\""$(call gb_Helper_make_path,$(HSQLDB_JAR))"\" \
+		-DHSQLDB_JAR=\""$(call gb_Helper_make_url,$(HSQLDB_JAR))"\" \
 	) \
 ))