ncd/extra/address_utils.h: add NCDVal_HasOnlyContinuousStrings() assertions

ncd/extra/address_utils.h

@@ -49,6 +49,7 @@ static int ncd_read_bconnection_addr (NCDValRef val, struct BConnection_addr *ou
 static int ncd_read_baddr (NCDValRef val, BAddr *out)
 {
     ASSERT(!NCDVal_IsInvalid(val))
+    ASSERT(NCDVal_HasOnlyContinuousStrings(val))
     ASSERT(out)
     
     if (!NCDVal_IsList(val)) {
@@ -235,6 +236,7 @@ fail:
 static int ncd_read_bconnection_addr (NCDValRef val, struct BConnection_addr *out_addr)
 {
     ASSERT(!NCDVal_IsInvalid(val))
+    ASSERT(NCDVal_HasOnlyContinuousStrings(val))
     
     if (!NCDVal_IsList(val)) {
         goto fail;