fix some warnings for the MSVC build, by Yonggang Luo!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78571 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-stub/llvm-stub.c b/tools/llvm-stub/llvm-stub.c
index e5624a9..366e13c 100644
--- a/tools/llvm-stub/llvm-stub.c
+++ b/tools/llvm-stub/llvm-stub.c
@@ -64,8 +64,7 @@
   memcpy(Args+2, argv+1, sizeof(char*)*argc);
 
   /* Run the JIT. */
-  execvp(Interp, (char *const*)Args);
-
+  execvp(Interp, (char **)Args);
   /* if _execv returns, the JIT could not be started. */
   fprintf(stderr, "Could not execute the LLVM JIT.  Either add 'lli' to your"
           " path, or set the\ninterpreter you want to use in the LLVMINTERP "