Fixed some warnings after enabling some stricter warnings in the Xcode project
settings.

Also fixed an issue where we weren't creating anonymous namepaces correctly:
<rdar://problem/10371295>

llvm-svn: 143403
diff --git a/lldb/source/Interpreter/Options.cpp b/lldb/source/Interpreter/Options.cpp
index b795f23..dbe6579 100644
--- a/lldb/source/Interpreter/Options.cpp
+++ b/lldb/source/Interpreter/Options.cpp
@@ -375,11 +375,9 @@
         const OptionDefinition *opt_defs = GetDefinitions ();
         if (opt_defs)
         {
-            const char *long_option_name;
+            const char *long_option_name = long_option;
             if (long_option[0] == '-' && long_option[1] == '-')
                 long_option_name += 2;
-            else
-                long_option_name = long_option;
 
             for (uint32_t i = 0; opt_defs[i].long_option; ++i)
             {