Rockbox Utility: use libusb-1.0 by default.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30275 a1c6a512-1295-4272-9138-f99709370657
diff --git a/rbutil/rbutilqt/rbutilqt.pro b/rbutil/rbutilqt/rbutilqt.pro
index 7186c8b..6954a19 100644
--- a/rbutil/rbutilqt/rbutilqt.pro
+++ b/rbutil/rbutilqt/rbutilqt.pro
@@ -154,13 +154,13 @@
 win32:static {
     QMAKE_LFLAGS += -static-libgcc -static-libstdc++
 }
-unix:!static:!libusb1:!macx {
-    LIBS += -lusb
-}
-unix:!static:libusb1:!macx {
+unix:!static:!libusb0:!macx {
     DEFINES += LIBUSB1
     LIBS += -lusb-1.0
 }
+unix:!static:libusb0:!macx {
+    LIBS += -lusb
+}
 
 unix:!macx:static {
     # force statically linking of libusb. Libraries that are appended