Fixed MD linting issue regarding code blocks.

Signed-off-by: David Galiffi <David.Galiffi@amd.com>
Change-Id: Id0467b332bf033642a2d403090ffe598e41689f5


[ROCm/ROCR-Runtime commit: a8bd453243]

projects/rocr-runtime/README.md

@@ -29,7 +29,9 @@ If the hsakmt-roct and hsakmt-roct-dev packages are desired:
     cmake ..
     make package
 ```
+
 If you choose not to build and install packages, manual installation of the binaries and header files can be done via:
+
 ```bash
     make install
 ```