Fix GUI build with `--disable-wallet`

fe6bff2 and 65f78a1 broke it. Minor build changes.

src/qt/Makefile.am

@@ -276,6 +276,7 @@ BITCOIN_QT_CPP = \
   notificator.cpp \
   optionsdialog.cpp \
   optionsmodel.cpp \
+  peertablemodel.cpp \
   qvalidatedlineedit.cpp \
   qvaluecombobox.cpp \
   rpcconsole.cpp \
@@ -296,7 +297,6 @@ BITCOIN_QT_CPP += \
   overviewpage.cpp \
   paymentrequestplus.cpp \
   paymentserver.cpp \
-  peertablemodel.cpp \
   receivecoinsdialog.cpp \
   receiverequestdialog.cpp \
   recentrequeststablemodel.cpp \

src/qt/rpcconsole.cpp

@@ -15,7 +15,9 @@
 #include "util.h"
 
 #include "json/json_spirit_value.h"
+#ifdef ENABLE_WALLET
 #include <db_cxx.h>
+#endif
 #include <openssl/crypto.h>
 
 #include <QKeyEvent>