Fixed a build warning where no return values was being returned.

git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@114511 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Target/Target.cpp b/source/Target/Target.cpp
index 207eb5c..f81d9e5 100644
--- a/source/Target/Target.cpp
+++ b/source/Target/Target.cpp
@@ -940,7 +940,9 @@
                                                   StringList &value,
                                                   Error *err)
 {
-    // Currently 'target' does not have any instance settings.
+    if (err)
+        err->SetErrorString ("'target' does not have any instance settings");
+    return false;
 }
 
 const ConstString