[sdk] Name shared libraries after the destination path.

ZX-2030 #done

Change-Id: Id8879137cfebf02d6683fb0a3aef7a887d1d7681
diff --git a/zircon/create_gn_rules.py b/zircon/create_gn_rules.py
index 2ebd4e7..10ca8ec 100755
--- a/zircon/create_gn_rules.py
+++ b/zircon/create_gn_rules.py
@@ -216,7 +216,7 @@
             (file, _) = extract_file(name, path, context)
             if 'debug/' in name:
                 data.debug_prebuilt = '//%s' % file
-                data.lib_name = os.path.basename(file)
+                data.lib_name = os.path.basename(name)
             elif '.so.strip' in file:
                 data.has_impl_prebuilt = True
                 data.impl_prebuilt = '//%s' % file