AllocateRWXMemory -> AllocateRWX.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56244 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Unix/Memory.inc b/lib/System/Unix/Memory.inc
index 0b74f74..621184e 100644
--- a/lib/System/Unix/Memory.inc
+++ b/lib/System/Unix/Memory.inc
@@ -18,7 +18,7 @@
 #include <sys/mman.h>
 #endif
 
-/// AllocateRWXMemory - Allocate a slab of memory with read/write/execute
+/// AllocateRWX - Allocate a slab of memory with read/write/execute
 /// permissions.  This is typically used for JIT applications where we want
 /// to emit code to the memory then jump to it.  Getting this type of memory
 /// is very OS specific.