Fix up error message.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9139 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/SystemUtils.cpp b/lib/Support/SystemUtils.cpp
index e198c7e..e1af3f9 100644
--- a/lib/Support/SystemUtils.cpp
+++ b/lib/Support/SystemUtils.cpp
@@ -125,9 +125,10 @@
     RedirectFD(StdErrFile, 2);
 
     execv(ProgramPath.c_str(), (char *const *)Args);
-    std::cerr << "Error executing program '" << ProgramPath;
+    std::cerr << "Error executing program: '" << ProgramPath;
     for (; *Args; ++Args)
       std::cerr << " " << *Args;
+    std::cerr << "'\n";
     exit(1);
 
   default: break;