fix a couple of clang static analyzer warnings.
Most important was a new[] + delete mismatch in ScanFormatDescriptor()
and a couple of possible memory leaks in FileSpec::EnumerateDirectory().

llvm-svn: 181080
diff --git a/lldb/source/Target/StopInfo.cpp b/lldb/source/Target/StopInfo.cpp
index 05e5991..e4bcb95 100644
--- a/lldb/source/Target/StopInfo.cpp
+++ b/lldb/source/Target/StopInfo.cpp
@@ -661,7 +661,8 @@
                     // re-enable the watchpoint
                     if (process)
                     {
-                        uint32_t num; bool wp_triggers_after;
+                        uint32_t num;
+                        bool wp_triggers_after;
                         if (process->GetWatchpointSupportInfo(num, wp_triggers_after).Success())
                         {
                             if (!wp_triggers_after)