Use correct syntax highliter in code blocks.  Noticed by Sean Silva.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158359 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/llvm-config.rst b/docs/CommandGuide/llvm-config.rst
index 0da42d7..0ebb344 100644
--- a/docs/CommandGuide/llvm-config.rst
+++ b/docs/CommandGuide/llvm-config.rst
@@ -25,7 +25,7 @@
 To link against the JIT:
 
 
-.. code-block:: perl
+.. code-block:: sh
 
    g++ `llvm-config --cxxflags` -o HowToUseJIT.o -c HowToUseJIT.cpp
    g++ `llvm-config --ldflags` -o HowToUseJIT HowToUseJIT.o \