[Kaleidoscope] Update docs in Chapter 3 to follow latest code changes

[CdTCzech]

Summary

1. Removed forgotten pointer after modernization. (missed in 246002 by lhames)
2. Fix static global ordering in docs. (missed in 270381 by lhames)

[lhames]

Looks good to me. Thanks Miroslav!

Do you have commit access? If not, may I commit this on your behalf?

• Lang.

[CdTCzech]

In D20954#448529, @lhames wrote:

Looks good to me. Thanks Miroslav!

Do you have commit access? If not, may I commit this on your behalf?

• Lang.

No, I'm totally new here. So please commit this.

Thank you Lang,
Miroslav

[lhames]

Committed (with a additions to explain the LLVMContext object) in r271985.

Thanks again Miroslav!

docs/tutorial/LangImpl3.rst

 
 .. code-block:: c++
 
-    static std::unique_ptr<Module> *TheModule;
-    static IRBuilder<> Builder(LLVMContext);
-    static std::map<std::string, Value*> NamedValues;
+    static IRBuilder<> Builder(TheContext);
+    static std::unique_ptr<Module> TheModule;
+    static std::map<std::string, Value *> NamedValues;
 
     Value *LogErrorV(const char *Str) {
       LogError(Str);