[Docs] Fix relative links in tutorial.

Update relative links in Kaleidoscope tutorial.
diff --git a/llvm/docs/tutorial/MyFirstLanguageFrontend/LangImpl07.rst b/llvm/docs/tutorial/MyFirstLanguageFrontend/LangImpl07.rst
index 31e2ffb..14501fd 100644
--- a/llvm/docs/tutorial/MyFirstLanguageFrontend/LangImpl07.rst
+++ b/llvm/docs/tutorial/MyFirstLanguageFrontend/LangImpl07.rst
@@ -105,7 +105,7 @@
 differs from some other compiler systems, which do try to version memory
 objects. In LLVM, instead of encoding dataflow analysis of memory into
 the LLVM IR, it is handled with `Analysis
-Passes <../WritingAnLLVMPass.html>`_ which are computed on demand.
+Passes <../../WritingAnLLVMPass.html>`_ which are computed on demand.
 
 With this in mind, the high-level idea is that we want to make a stack
 variable (which lives in memory, because it is on the stack) for each
@@ -120,7 +120,7 @@
 *name* actually refers to the address for that space. Stack variables
 work the same way, except that instead of being declared with global
 variable definitions, they are declared with the `LLVM alloca
-instruction <../LangRef.html#alloca-instruction>`_:
+instruction <../../LangRef.html#alloca-instruction>`_:
 
 .. code-block:: llvm
 
@@ -223,7 +223,7 @@
    funny pointer arithmetic is involved, the alloca will not be
    promoted.
 #. mem2reg only works on allocas of `first
-   class <../LangRef.html#first-class-types>`_ values (such as pointers,
+   class <../../LangRef.html#first-class-types>`_ values (such as pointers,
    scalars and vectors), and only if the array size of the allocation is
    1 (or missing in the .ll file). mem2reg is not capable of promoting
    structs or arrays to registers. Note that the "sroa" pass is
@@ -249,7 +249,7 @@
    variables that only have one assignment point, good heuristics to
    avoid insertion of unneeded phi nodes, etc.
 -  Needed for debug info generation: `Debug information in
-   LLVM <../SourceLevelDebugging.html>`_ relies on having the address of
+   LLVM <../../SourceLevelDebugging.html>`_ relies on having the address of
    the variable exposed so that debug info can be attached to it. This
    technique dovetails very naturally with this style of debug info.