Fix debian/copyright list to be non-comma-separated.

contrib/debian/copyright

@@ -19,29 +19,29 @@ Files: debian/manpages/*
 Copyright: Micah Anderson <micah@debian.org>
 License: GPL-3+
 
-Files: src/qt/res/icons/add.png,
-       src/qt/res/icons/address-book.png,
-       src/qt/res/icons/configure.png,
-       src/qt/res/icons/debugwindow.png,
-       src/qt/res/icons/edit.png,
-       src/qt/res/icons/editcopy.png,
-       src/qt/res/icons/editpaste.png,
-       src/qt/res/icons/export.png,
-       src/qt/res/icons/eye.png,
-       src/qt/res/icons/filesave.png,
-       src/qt/res/icons/history.png,
-       src/qt/res/icons/info.png,
-       src/qt/res/icons/key.png,
-       src/qt/res/icons/lock_*.png,
-       src/qt/res/icons/open.png,
-       src/qt/res/icons/overview.png,
-       src/qt/res/icons/quit.png,
-       src/qt/res/icons/receive.png,
-       src/qt/res/icons/remove.png,
-       src/qt/res/icons/send.png,
-       src/qt/res/icons/synced.png,
-       src/qt/res/icons/transaction*.png,
-       src/qt/res/icons/tx_output.png,
+Files: src/qt/res/icons/add.png
+       src/qt/res/icons/address-book.png
+       src/qt/res/icons/configure.png
+       src/qt/res/icons/debugwindow.png
+       src/qt/res/icons/edit.png
+       src/qt/res/icons/editcopy.png
+       src/qt/res/icons/editpaste.png
+       src/qt/res/icons/export.png
+       src/qt/res/icons/eye.png
+       src/qt/res/icons/filesave.png
+       src/qt/res/icons/history.png
+       src/qt/res/icons/info.png
+       src/qt/res/icons/key.png
+       src/qt/res/icons/lock_*.png
+       src/qt/res/icons/open.png
+       src/qt/res/icons/overview.png
+       src/qt/res/icons/quit.png
+       src/qt/res/icons/receive.png
+       src/qt/res/icons/remove.png
+       src/qt/res/icons/send.png
+       src/qt/res/icons/synced.png
+       src/qt/res/icons/transaction*.png
+       src/qt/res/icons/tx_output.png
        src/qt/res/icons/warning.png
 Copyright: Stephen Hutchings (and more)
            http://typicons.com