Makefile.am: use APP_DIST_DIR instead of hard-coding dist

Author: dongcarl

Makefile.am

@@ -149,7 +149,7 @@ $(APP_DIST_DIR)/Applications:
 $(APP_DIST_EXTRAS): $(APP_DIST_DIR)/$(OSX_APP)/Contents/MacOS/Bitcoin-Qt
 
 $(OSX_TEMP_ISO): $(APP_DIST_EXTRAS)
-	$(XORRISOFS) -D -l -V "$(OSX_VOLNAME)" -no-pad -r -dir-mode 0755 -o $@ dist -- $(if $(SOURCE_DATE_EPOCH),-volume_date all_file_dates =$(SOURCE_DATE_EPOCH))
+	$(XORRISOFS) -D -l -V "$(OSX_VOLNAME)" -no-pad -r -dir-mode 0755 -o $@ $(APP_DIST_DIR) -- $(if $(SOURCE_DATE_EPOCH),-volume_date all_file_dates =$(SOURCE_DATE_EPOCH))
 
 $(OSX_DMG): $(OSX_TEMP_ISO)
 	$(DMG) dmg "$<" "$@"