MemoryBuiltins: trailing , on collection literal

This was probably bugging more than is reasonable, but it makes merging
changes in this file slightly less annoying to have the trailing comma
here. I only noticed this because Rust is currently carrying a patch to
this file and it kept making life a little difficult.

llvm/lib/Analysis/MemoryBuiltins.cpp

@@ -111,7 +111,7 @@ static const std::pair<LibFunc, AllocFnsTy> AllocationFnData[] = {
   {LibFunc_reallocf,            {ReallocLike, 2, 1,  -1}},
   {LibFunc_strdup,              {StrDupLike,  1, -1, -1}},
   {LibFunc_strndup,             {StrDupLike,  2, 1,  -1}},
-  {LibFunc___kmpc_alloc_shared, {MallocLike,  1, 0,  -1}}
+  {LibFunc___kmpc_alloc_shared, {MallocLike,  1, 0,  -1}},
   // TODO: Handle "int posix_memalign(void **, size_t, size_t)"
 };