[LLDB] Fix buildbots breakage due to TestGuessLanguage.py

Fix LLDB buidbot breakage due to D99250.

Differential Revision: https://reviews.llvm.org/D99250

GitOrigin-RevId: 428b17ce70523b1c54cb89095fed39e84f5ca8fc
diff --git a/test/API/commands/frame/language/TestGuessLanguage.py b/test/API/commands/frame/language/TestGuessLanguage.py
index 7b35157..0974a0e 100644
--- a/test/API/commands/frame/language/TestGuessLanguage.py
+++ b/test/API/commands/frame/language/TestGuessLanguage.py
@@ -70,7 +70,7 @@
         thread = threads[0]
 
         c_frame_language = lldb.eLanguageTypeC99
-        cxx_frame_language = lldb.eLanguageTypeC_plus_plus_11
+        cxx_frame_language = lldb.eLanguageTypeC_plus_plus
         # gcc emits DW_LANG_C89 even if -std=c99 was specified
         if "gcc" in self.getCompiler():
             c_frame_language = lldb.eLanguageTypeC89