[lldb] Put SBSourceLanguageName in lldb namespace (#91685)

GitOrigin-RevId: 3bde7983986d8ce637f6bb506860859249787751
diff --git a/scripts/generate-sbapi-dwarf-enum.py b/scripts/generate-sbapi-dwarf-enum.py
index f7a13e5..7fd6037 100755
--- a/scripts/generate-sbapi-dwarf-enum.py
+++ b/scripts/generate-sbapi-dwarf-enum.py
@@ -15,6 +15,8 @@
 
 #ifndef LLDB_API_SBLANGUAGE_H
 #define LLDB_API_SBLANGUAGE_H
+
+namespace lldb {
 /// Used by \\ref SBExpressionOptions.
 /// These enumerations use the same language enumerations as the DWARF
 /// specification for ease of use and consistency.
@@ -24,6 +26,8 @@
 FOOTER = """\
 };
 
+} // namespace lldb
+
 #endif
 """