Opportunistically fix the builders

A builder complained that it couldn't find llvm-vtabledump, this is
probably because it wasn't a dependency of the 'test' target.

llvm-svn: 213905

llvm/test/CMakeLists.txt

@@ -44,6 +44,7 @@ set(LLVM_TEST_DEPENDS
           llvm-rtdyld
           llvm-symbolizer
           llvm-tblgen
+          llvm-vtabledump
           macho-dump
           opt
           FileCheck

llvm/test/lit.cfg

@@ -228,6 +228,7 @@ for pattern in [r"\bbugpoint\b(?!-)",
                 r"\bllvm-rtdyld\b",
                 r"\bllvm-size\b",
                 r"\bllvm-tblgen\b",
+                r"\bllvm-vtabledump\b",
                 r"\bllvm-c-test\b",
                 r"\bmacho-dump\b",
                 NOJUNK + r"\bopt\b",