Remove some redundant Decl -> Decl castings.
treefda6197eb5b4ae1ac3e5a9fcdf5d40e861282654
-rw-r--r-- 1366 CMakeLists.txt
drwxr-xr-x - Driver
drwxr-xr-x - INPUTS
-rw-r--r-- 2744 LICENSE.TXT
-rw-r--r-- 543 Makefile
-rw-r--r-- 96 ModuleInfo.txt
-rw-r--r-- 3261 NOTES.txt
-rw-r--r-- 9046 README.txt
-rw-r--r-- 2479 TODO.txt
drwxr-xr-x - clang.xcodeproj
drwxr-xr-x - docs
drwxr-xr-x - include
drwxr-xr-x - lib
drwxr-xr-x - test
drwxr-xr-x - tools
drwxr-xr-x - utils
drwxr-xr-x - win32
drwxr-xr-x - www