Set priority of CUDA versions in gpu_mod lib loading.

wrapper/python/src/_FaustCorePy.pyx

@@ -88,9 +88,9 @@ def enable_gpu_mod(libpaths=None, backend='cuda', silent=False, fatal=False):
         # don't use os.path.join or os.path.sep because anyway
         # lib name suffix and prefix depend on OS
         libpaths = []
-        for gpu_backend in ['-cu9.2', '-cu11.4', '']: # the last one is
-        # for descendant/backward compatibility
-        # (the backend are sorted per order of preference)
+        for gpu_backend in ['-cu12.1', '-cu11.4', '']: # the last one is
+        # for unversioned lib
+        # (the versions are sorted per order of preference)
             if sys.platform == 'linux':
                 libpaths += [pyfaust_path+"/lib/libgm"+gpu_backend+".so"]
             elif sys.platform == 'darwin':