Remove new lines from log messages

VIR_DEBUG and VIR_WARN will automatically add a new line to the message,
having "\n" at the end or at the beginning of the message results in
empty lines.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>

tests/virnetsockettest.c

@@ -105,7 +105,7 @@ checkProtocols(bool *hasIPv4, bool *hasIPv6,
         break;
     }
 
-    VIR_DEBUG("Choose port %d\n", *freePort);
+    VIR_DEBUG("Choose port %d", *freePort);
 
     ret = 0;