Fix SLVoice manifest path for Linux x86_64

indra/newview/viewer_manifest.py

@@ -1277,7 +1277,7 @@ def construct(self):
                 self.path("libfmod.so*")
 
         # Vivox runtimes
-        with self.prefix(src=relpkgdir, dst="bin"):
+        with self.prefix(src=os.path.join(pkgdir, 'bin', 'release'), dst="bin"):
             self.path("SLVoice")
         with self.prefix(src=relpkgdir, dst="lib"):
             self.path("libortp.so")